KNO3(aq) + NaBr(aq) ---> NaNO3(aq) + KBr(aq). [ Check the balance ] Sulfuric acid react with ammonium hydroxide to produce ammonium sulfate and water. You could write this equation in two ways. Concentrated hydrochloric acid, HCl(aq),(CORROSIVE) see CLEAPSSHazcard HC047a. 6.00 1024 molecules HCl Iron(II) sulfide reacts with hydrochloric acid according to the reaction: Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with carbon dioxide as follows: Calculate the mass in grams of the product when 3.69 g of the starred reactant completely reacts. Bismuth (III) chloride reacts with hydrogen sulfide. It's not visually exciting. For example, it reacts with dilute hydrochloric acid to produce sodium chloride solution. Sodium oxalate reacts with calcium chloride. The reaction produces iron(III) sulfide and aqueous hydrogen bromide. Because the reflected wave is of the same amplitude as the incident, this is a typical standing wave pattern, varying periodically between 0 and 4A*A. For example, a common method of producing oxygen gas in the laboratory is the decomposition of potassium chlorate (KClO3) by heat. Note the white clouds of ammonium chloride that form. 10 -7 M 2. NH4OH is a weak base. Acid (1) and base (1) are called a conjugate acid-base pair, as are acid (2) and base (2). This website uses cookies and similar technologies to deliver its services, to analyse and improve performance and to provide personalised content and advertising. It is alkaline, and so you would expect it to react with acids. This is because there are no spectator ions. Repeat this procedure quickly with a second wad of cotton wool and hydrochloric acid. Aqueous ammonia produces white amido salts whose composition depends on the mercury(II) salt present in the solution: These salts are not soluble in excess aqueous ammonia, but do dissolve in acids: A yellow precipitate of \(\ce{HgO}\) is produced by \(\ce{NaOH}\): \[\ce{HgCl2(s) + 2OH^{-}(aq) -> HgO(s) + H2O(l) + 2Cl^{-}(aq)}\]. In this case, the coordination number of the copper changes from six to four. Which capital is farther north Salt Lake City Utah or Carson City Nevada? As the name implies, one molecule is added to another. Question: Write a balanced equation for each reaction. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Perchloric acid is a strong acid; it ionizes 100% in solution. 100% (1 rating) Transcribed image text: Solid lead (II) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas. Write the non-ionic, total ionic, and net-ionic equations for this reaction. 6 When ammonia react with hydrochloric acid white fumes is obtained name the compound formed and type of reaction? When heated, antimony reacts with oxygen in air forming Sb 2 O 3. excess HCl=0.662 mol-2 x 0.216 mol = 0.230 mols Liquid nonane (C9H20) reacts with gaseous oxygen to form gaseous carbon dioxide and liquid water. Ammonia solution reacts with hydrochloric acid (a solution of hydrogen chloride in water) in a similar way. The products are both soluble and ionize 100% in solution. . However, in this example, the sulfuric acid will react completely, so we treat it as fully dissociated. Concentrated ammonia and hydrochloric acid solutions are added to two gas-washing bottles, respectively. Information on Azide Compounds Antimony does not react with hydrochloric acid in the absence of oxygen. Problem #48: Write the net ionic equation for the reaction between Borax and HCl. Here's the non-ionic: 2) Boric acid is a weak acid. Produces hydrogen chloride gas, HCl(g),(TOXIC, CORROSIVE) see CLEAPSSHazcard HC049. The reaction can then be reversed by adding more acid. (b) Such a weakly bound complex is hardly likely to be rigid. Read our privacy policy. In fact, a question could be worded so as to require the above equation as an answer. Now, suppose the chromium(III) nitrate is reacting as a solid, giving this equation with state symbols: In that case, nothing can be eliminated and the ammonium nitrate would be written in the ionized state. This problem is illustrative of the main problem students face in doing net ionic problems: you have to know a large amount of seemingly random bits of information (like the fact that iron(III) chloride forms a complex). Analytical cookies are used to understand how visitors interact with the website. However, the above equation is not correct, since it is not balanced. As previously noted, many reactions defy simple classification and may fit in several categories. 5 What type of chemical reaction is hydrochloric acid and potassium carbonate? A solution of the gas in water is called hydrochloric acid. 2.17 moles KO2 4 KO2(s) + 2 H2O(l) 4 KOH(s) + 3 O2(g), 8.66 moles KO2 The ammonia comes from bacteria acting on urea in the urine. A pair of electrons located on the nitrogen atom may be used to form a chemical bond to a Lewis acid such as boron trifluoride (BF3). 2 ICl3 + 3 H2O ICl + HIO3 + 5 HCl, 3.00 1024 molecules HCl Answer to For each of the following reactions: A) Write a. The reaction between ammonia solution and acids. Question: Can you solve 13 and 14 13) solid bismuth (III) sulfide and hydrochloric acid react 14) antimony (III) iodide reacts with ammonium sulfide This problem has been solved! ammonia solution + an acid an ammonium salt + water. What is one of the products of a combustion reaction? For the E0E_0E0 potential step, =[(+ik)/(ik)]A.\beta = [(\alpha + ik)/(\alpha - ik)]A.=[(+ik)/(ik)]A. (a) Estimate the fundamental vibrational wavenumber, force constant, moment of inertia, and rotational constant based on the harmonic oscillator and rigid-rotor approximations. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Put the cotton wool wad into the other end of the glass tube. Answer (1 of 17): They neutralise each other, if the quantities are right you end up with a neutral ionic solution of ammonium chloride. 1) Ammonium hydroxide does not actually exist. Bismuth (III) chloride reacts with hydrogen sulfide. For example, substituting two of the chlorine atoms on chloroform (CHCl3) with fluorine atoms produces chlorodifluoromethane (CHClF2). Nothing precipitates, no gas is formed. When concentrated hydrochloric acid is added to a very dilute solution of copper sulfate, the pale blue solution slowly turns yellow-green on the formation of a copper chloride complex. The reactants are both soluble and ionize 100% in solution. For complete combustion, find the equivalence ratio, the percentage of theoretical air, and the dew point of the products. What is the gas produced when hydrochloric acid is reacted with ammonium? Soluble chlorides, including hydrochloric acid, precipitate white mercury(I) chloride, also known as calomel: Aqueous ammonia reacts with \(\ce{Hg2Cl2}\) to produce metallic mercury (black) and mercury(II) amidochloride (white), a disproportionation reaction: Aqueous ammonia produces a mixture of a white basic amido salt and metallic mercury: The precipitate is not soluble in excess aqueous ammonia. The demonstrator should wear goggles and protective gloves. Problem #36: Hydrogen sulfide gas reacts with iron(III) bromide. (NH4)2S (aq) + 2HCl (aq) ------> 2NH4Cl (aq) + H2S (g) What gas is produced when zinc sulfide is added to. I wrote "double replacement" because there really is no reaction. 0.230 mols Looking at the equation, we can see that the amount of HCl consumed is twice the amount of FeS. The acid-base reaction is the transfer of the hydrogen ion from the acid (HCl) to the base (NH3). Arsenic (III) oxide reacts with hydrochloric acid. Hence, it is written in molecular form. This carbon dioxide gas is allowed to pass through lime water, turning it milky. The reaction equation between ammonia (NH3) and hydrochloric acid (HCl) is written as follows: NH3+HCl=NH4Cl. 8. ammonium nitrite nitrogen (g) + water. These can be considered to be attached to the central ion by coordinate (dative covalent) bonds. It is toxic by inhalation - the concentrated solution releases dangerous quantities of hydrogen chloride vapour. Depending on the cation, [CuCl4]2-displays structures ranging from square-planar (NH4+) to almost tetrahedral (Cs+), the former being usually green and the latter orange in colour. Putting bungs into the ends of the glass tube will reduce the quantity of the gases which escape and therefore the smell. Problem #39: What is the net ionic equation for dissolving gaseous NH3? Reaction of antimony with air. Part D) Would the answer in part A be different if there were appreciable air resistance? In neutral or only slightly acidic solutions, zinc displaces tin from its compounds, forming the metal. We have a base called potassium hydroxide, reacting with an acid called hydrochloric acid. Characteristic reactions of Sn and Sn Whether the equilibrium lies toward the reactants (reactant-favoured) or the products (product-favoured) is determined by the relative strengths of the acids and bases. The new compound formed is ammonium chloride. 2.5 g Al and 2.5 g Cl2 Problem #35: Write the net ionic equation for this reaction: The lack of state symbols is deliberate. (In the following equation, the colon represents an electron pair.) A method for producing an aqueous solution of perrhenic acid includes 1) a step for roasting rhenium sulfide under an oxygen-containing gas to collect gasified rhenium oxide; 2) a step for cooling and solidifying the gasified rhenium oxide while keeping sulfur oxide . What increases accuracy in an experiment? The equilibrium favours the weaker acid and base, in this case the products. (b)Determine \theta and D (the amplitude of the x > 0 wave inside the step) in the limits k0k \rightarrow 0k0 and 0,\alpha \rightarrow 0,0, and interpret your results. 2 What is the reaction between ammonium and hydrochloric acid? Lithium and nitrogen react to produce lithium nitride: Calculate how many moles of NO2 form when each quantity of reactant completely reacts via the following reaction: How many grams of oxygen are formed when 5.30 moles of KOH are formed? Sulfur compounds are invoked as the likely colouring agents because sulfur is relatively abundant in the cosmos and hydrogen sulfide is notably absent . Carefully add the ammonia in the same way but initially without swirling. Examples: Hydrochloric Acid, Hydrofluoric Acid Perchloric acid can react with wood or paper to form cellulose perchlorate which can spontaneously combust. (b) What is the net ionic equation? Enter a balanced chemical equation for this reaction. Potassium chromate reacts with lead (II) nitrate. ethanol 1) In solution, ammonia exists almost entirely as molecular NH3. This cookie is set by GDPR Cookie Consent plugin. The gas molecules follow a zig-zag path through the tube as they collide with the air molecules in the tube. You also have the option to opt-out of these cookies. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Information about your use of this website will be shared with Google and other third parties. The trick with this demonstration is doing it on a large enough scale for the whole class to see clearly. The Brnsted-Lowry theory is often closely associated with the solvent water. You know NaCl is soluble. (Remember that hydrogen ions present in solutions of acids in water are carried on water molecules as hydroxonium ions, H3O+.). Hydrogen chloride may be formed by the direct combination of chlorine (Cl2) gas and hydrogen (H2) gas; the reaction is rapid at temperatures above 250 C (482 F). Cu3PO4 is insoluble. 15. Decomposition reactions are processes in which chemical species break up into simpler parts. 2.51 g This presents a significant hazard if inhaled. In ammonia solution of the sort of concentrations used in the lab, less than 1% of the ammonia has actually reacted at any one time. Ca(OH)2 is only slightly soluble, but what does dissolve, ionizes 100%. F. Luo, et al. Answer (1 of 8): (NH_{4})_{2}SO_{4} + 2 NaOH \rightarrow Na_{2}SO_{4} + 2 NH_{4}OH 5.00 1025 molecules HCl Iron(III) oxide reacts with carbon monoxide according to the equation Part A) Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. If necessary, the tube can be dried by pushing a cotton wool pad soaked in acteone through the tube and leaving it for a few minutes. The solution is corrosive and on contact with skin may cause burns. Butane is burned with dry air at 40C^{\circ} \mathrm{C}C, 100 kPa, with AF = 22 on a mass basis. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. When concentrated ammonia is added, further ligand exchange occurs: Copper can have coordination numbers of four, five and six, though the shape is often described as square-planar. A 5.00kg5.00\text{ kg}5.00kg watermelon is dropped from rest from the roof of a 20.0m20.0 \text{ m}20.0m tall building and feels no appreciable air resistance. Acids react with metal carbonates and hydrogencarbonates in the same way. Nothing precipitates. What are the molecular and net ionic equations? 5.02 g What type of chemical reaction is hydrochloric acid and potassium carbonate? Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. In the reaction, HCl + K2CO3 -> KCl + CO2 + H2O, bubbles of carbon dioxide gas are produced. All 4 substances are soluble and all four ionize 100%. 56.0 g HCl. Problem #27: Write the complete ionic and net ionic equations for the following molecular equation: Note that the sulfuric acid is treated as fully dissociated. 2Al + Fe2O3 Al2O3 + 2Fe replacement. What happens when ammonia gas reacts with water? Phys. Which gas is produced when hydrochloric acid reacts with carbonates? What happens when you mix hydrochloric acid with ammonia? This demonstration is best performed in a fume cupboard. However, the distinction between square-planar and tetragonally-distorted octahedral coordination is not easily made. Once assembled, the tube can be removed from the fume cupboard. Consider the following balanced reaction. The net ionic equation would be NR. In this reaction, a chlorine atom is substituted for a hydrogen atom. 56.0 g HCl 17.3 moles KO2 When do ammonium ions and hydroxide ions react? Ammonia contact with the eyes can cause serious, long-term damage. Consult the Stanford Chemical Safety Database to determine the Storage or Compatibility Group of chemicals intended for mixing. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. 7. aluminum + iron (III) oxide aluminum oxide + iron. Pb2+(aq) + 2KCl(aq) PbCl2(s) + 2K+(aq) Part C) Just before it strikes the ground, what is the watermelon's speed? 1.08 moles KO2 Sodium carbonate reacts with hydrochloric acid to form sodium chloride, carbon dioxide, and water. Perchloric acid is a strong acid; it ionizes 100% in solution. Information about your use of this website will be shared with Google and other third parties. By donating a pair of electrons, ligands act as Lewis bases. Ammonia reacts with acids to produce ammonium ions. Copyright Complaints, Information on peroxide forming compounds, Animal Research Occupational Health and Safety Program. 6. sodium chloride + sulfuric acid sodium sulfate + hydrogen chloride (g) 2NaCl + H2SO4 Na2SO4 + 2HClg methathesis. Repeat this procedure quickly with a second wad of cotton wool and hydrochloric acid. The cookie is used to store the user consent for the cookies in the category "Other. a How many grams of HCl react with 2.55 g of Al(OH)3? Ammonium sulfide is reacted with hydrochloric acid? Practical Chemistry activities accompanyPractical PhysicsandPractical Biology. (In the following equation, the colon represents an electron pair.) Usually, decomposition reactions require energy input. (Acid + Cyanide = HCN (gas)). 4) A second round of removing spectators gives the final answer: Problem #28: Write the net ionic equation for the following reaction: This is an example of no reaction (commonly signified as NR). Ammonia doesn't just dissolve in water; it reacts with it. The reversible copper sulfate reaction. . The mercury(II) oxide precipitate is insoluble in excess hydroxide but is soluble in acids: Hydrogen sulfide precipitates black mercury(II) sulfide, the least soluble of all sulfide salts. Kauna unahang parabula na inilimbag sa bhutan? Place concentrated ammonia solution on a pad in one end of a tube and concentrated hydrochloric acid on a pad at the other and watch as the two gases diffuse far enough to meet and form a ring of solid ammonium chloride. They are sold with an inhibitor to prevent this reaction. The usual result is an elongation of the octahedron (four + two) coordination with complete loss of the axial ligands resulting in square-planar complexes. All the ions in the above full ionic equation would be removed, as they are all spectator ions. Group F; Inorganic Acids: Chemicals that are corrosive to metals or skin. In this theory, the reaction of an acid and base is represented as an equilibrium reaction. For example: Problem #40: What is the net ionic equation for dissolving solid glucose? Examples: Sodium Hydroxide, Potassium Hydroxide Pour the copper sulfate solution into the conical flask. It's a double replacement. 6Li(s)+N2(g)2Li3N(s) Since you're not sure about cobalt(II) sulfate, you look it up and find it to be soluble. The ammonia molecule picks up a hydrogen ion from the acid and attaches it to the lone pair on the nitrogen. Here's another NR: Which net ionic equation best represents the reaction that occurs when as aqueous solution of potassium nitrate is mixed with an aqueous solution of sodium bromide? 17. With state symbols, we have this: Cr(NO3)3 9H2O is one entire formula, so the "aq" occurs at the end of the formula. Once the reaction has occurred as completely as possible, what mass of the excess reactant is left? Yup, it's NR. What is the balanced equation for ammonium sulfide and hydrochloric acid? yes or no, Part E) Would the answer in part B be different if there were appreciable air resistance? Determine the theoretical yield of PbCl2. 4.33 moles KO2 Black finely divided mercury metal and yellow mercury(II) oxide (\(\ce{HgO}\)) are precipitated by \(\ce{NaOH}\): Reducing agents, such as \(\ce{Sn^{2+}}\) and \(\ce{Fe^{2+}}\), reduce mercury(I) to the metal: Consult an activity series or a table of reduction potentials for other possible reducing agents. Working in the fume cupboard, clamp the glass tube at either end, ensuring that it is horizontal. However, it is soluble in aqua regia (3:1 HCl:HNO3) and in hot dilute \(\ce{NaOH}\) containing excess sulfide. 1) This certainly appears to be a double replacement reaction: I deleted the state symbols from the products. Let's start by writing a complete molecular equation: 3) Eliminate spectator ions to get the net ionic: However, nothing tells you to eliminate sodium ion until you actually do the problem. 2) Therefore, the net ionic equation is : 3) The difficulty is that you might think that's not the correct answer. \[\ce{[HgCl4]^{2-}(aq) + H2S(aq) <=> HgS(s) + 2H^{+}(aq) + 4Cl^{-}(aq)}\]. It is alkaline, and so you would expect it to react with acids. HCl(aq) + H2O (l) H3O+(aq) +Cl(aq) Using the Brnsted-Lowry theory, the reaction of ammonia and hydrochloric acid in water is represented by the following equation: NH3(aq) + HCl(aq) NH4+(aq) + Cl(aq) Hydrochloric acid and the chlorine ion are one conjugate acid-base pair, and the ammonium ion and ammonia are the . For this demonstration, I have developed this simple gas reaction by scaling it up and introducing a more dramatic colour change. So, we balance it: The three waters added back in balance the change from ammonia to ammonium as well as the three hydroxides on the chromium(III) hydroxide. Slowly add the acid down the side of the flask and swirl vigorously. The percent yield is calculated as the ratio of the actual yield to the theoretical yield. It is definitely less bother writing these equations starting from ammonia itself rather than ammonium hydroxide. Almost instantly in this reaction, you will get to the point that the rates of these two reactions become the same. How many 5 letter words can you make from Cat in the Hat? oxygen Problem #26: Complete the reaction & write the net ionic equation: There is a trick to this one. We also use third-party cookies that help us analyze and understand how you use this website. It is worth noting that the rate of diffusion is not the same as the speed at which the gas molecules travel (which is hundreds of meters per second). Using NH3, here is the non-ionic: As you can see, it's the same as the total ionic. This type of question is not commonly asked. CuS (s) + 2HBr (aq) CuBr2 (aq) + H2S (g) CO (g) + 3H2 (g) CH4 (g) + H2O (l) 4) This is an example of NR, so answer choice e is the correct choice. These terms are particularly useful in describing organic reactions. Identify all of the phases in your answer. A concentrated solution of sodium oxide in water will have pH 14. Put one of the cotton wool wads in the mouth of the ammonia bottle and carefully invert it to soak one side of it. Use this to calculate the probability density (including both incident and reflected waves) to the left of the step:(a)Show that the result is 4 , where =tan1(k/).\theta = tan^{-1} (k/\alpha).=tan1(k/). Doing that is left to the reader. When concentrated hydrochloric acid is added, ligand exchange occurs: The empty 4s and 4p orbitals are used to accept a lone pair of electrons from each chloride ion. But opting out of some of these cookies may affect your browsing experience. Heating at higher temperatures results in decomposition into ammonia, nitrogen, sulfur dioxide, and water. H 2 SO 4 + 2 (NH 3 H 2 O) (NH 4) 2 SO 4 + 2H 2 O. The ammonia acts as both a base and a ligand. That is NOT considered a chemical reaction. Information on Stanfords Storage Groups Ammonia reacts with acids to produce ammonium ions. Ammonium sulfide reacts with hydrochloric acid to produce ammonium chloride and gaseous hydrogen sulfide. This cookie is set by GDPR Cookie Consent plugin. However, you may visit "Cookie Settings" to provide a controlled consent. In a chemical reaction, what is the the theoretical yield? Group E; Oxidizing Chemicals: Chemicals that will very often react violently with organics. Another NR: Predict the products of KI and HCl reacting in aqueous solution. acid + carbonate salt + water + carbon dioxide or acid +. What characteristics allow plants to survive in the desert? Ammonia solution reacts with hydrochloric acid (a solution of hydrogen chloride in water) in a similar way. If ammonia is the only product, what mass of ammonia is formed? Problem #43: Write the net ionic equation for this reaction: Problem #44: (a) What is the balanced equation of sodium acetate and barium nitrate? Find an alternative 'reverse' approach suggestedhere. 3) The answer is no, neither MgSO4 nor CuCl2 are insoluble. Who is Katy mixon body double eastbound and down season 1 finale? 2) Based on the above, here is the complete ionic equation: Note what happened to the water of hydration. ? Problem #29: Write the net ionic equation for the following reaction: Please include state symbols in the answer. Ammonia and hydrochloric acid will react to form aqueous ammonium chloride, #"NH"_4"Cl"#, as described by the balanced chemical equation #"NH"_ (3(aq)) + "HCl"_ ((aq . This product undergoes a further reaction when heated strongly. It reacts with hydrochloric acid (the acid in your stomach) according to the following equation: Al(OH)3 (8) + 3 HCl(aq) AICI, (aq) + 3 HO(1) (Enter your answer to three significant figures.) 18. S + H ---> H2S gas What is the balanced equation for the chemical reaction of sodium sulfide and hydrochloric acid? 16. It gives the appearance of a double replacement, so you write the reaction: CoCl2(aq) + Na2SO4(aq) ---> CoSO4(aq??) Here several commonly encountered reactions are classified. Bleach Fact sheet In a particular experiment, 3.00-g samples of each reagent are reacted. A black background, such as a sheet of black sugar paper, behind the demonstration helps the white ring to be seen more clearly. No reaction is visible, but Hg(II) will be present as \(\ce{[HgCl4]^{2-}}\). \[\ce{HgS(s) + S2^{-}(aq) <=> [HgS2]^{2-}(aq)}\]. Problem #45a: When a precipitation reaction occurs, the ions that do not form the precipitate: Problem #45b: Aqueous potassium chloride will react with which one of the following aqueous solutions to produce a precipitate? There is no arsenic(III) hydroxide. Open the bottle of hydrochloric acid and hold the stopper near the mouth of the ammonia bottle. Nuffield Foundation and the Royal Society of Chemistry, Revisiting and refining a classic diffusion demo with Declan Fleming, Differentiated worksheets guide learners to consider word equations, symbol equations and conservation of mass linked to simple decomposition reactions, Develop your learners metacognitive skills using thermodynamics questions and calculations, Practical experiment where learners produce gold coins by electroplating a copper coin with zinc, includes follow-up worksheet. (NH4)2S(aq) + 2HCl(aq) ------> 2NH4Cl(aq) + H2S(g), The balanced equation is: best represents" The correct answer is that the complete absence of a net ionic equation best represents which net ionic equation to use. You must allow the white smoke to escape and not distract from the colour change, and swirl the flask when necessary to produce a homogenous mixture. For example, the light blue colour of a solution of Cu2+ ions in water is due to the [Cu(H2O)6]2+ ion. NR. Inhibitors must be monitored to maintain their activity. This is the reaction used by 18th-century chemists Carl Wilhelm Scheele, Joseph Priestley, and Antoine-Laurent Lavoisier in their experiments on oxygen. Assume that there is excess NO2 present. Both reactants are soluble and strong electrolytes (they ionize 100% in solution). How many nieces and nephew luther vandross have? A somewhat more general acid-base theory, the Brnsted-Lowry theory, named after Danish chemist Johannes Nicolaus Brnsted and English chemist Thomas Martin Lowry, defines an acid as a proton donor and a base as a proton acceptor. Question #fee47 Question #c5c15 Question #19eb9 Question #e2ea2 . NH4OH(aq) + HCl(aq) NH4Cl(aq) + H2O(l).
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