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Chapter 4: Problem 146

Complete and balance each acid-base reaction. a. \(\mathrm{H}_{3} \mathrm{PO}_{4}(a q)+\mathrm{NaOH}(a q) \rightarrow\) Contains three acidic hydrogens b. $\mathrm{H}_{2} \mathrm{SO}_{4}(a q)+\mathrm{Al}(\mathrm{OH})_{3}(s) \rightarrow$ Contains two acidic hydrogens c. $\mathrm{H}_{2} \operatorname{Se}(a q)+\mathrm{Ba}(\mathrm{OH})_{2}(a q) \rightarrow$ Contains two acidic hydrogens d. $\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4}(a q)+\mathrm{NaOH}(a q) \rightarrow$ Contains two acidic hydrogens

Short Answer

Expert verified
The short version of the answers for each acid-base reaction are as follows: a. \(H_{3}PO_{4}(aq) + 3NaOH(aq) \rightarrow Na_{3}PO_{4}(aq) + 3H_{2}O(l)\) b. \(3H_{2}SO_{4}(aq) + 2Al(OH)_{3}(s) \rightarrow Al_{2}(SO_{4})_{3}(aq) + 6H_{2}O(l)\) c. \(H_{2}Se(aq) + Ba(OH)_{2}(aq) \rightarrow BaSe(s) + 2H_{2}O(l)\) d. \(H_{2}C_{2}O_{4}(aq) + 2NaOH(aq) \rightarrow Na_{2}C_{2}O_{4}(aq) + 2H_{2}O(l)\)

Step by step solution

01

Identify the products

In an acid-base reaction, the products are usually a salt and water. In this case, the salt would be sodium phosphate, Na₃PO₄, and water H₂O. Step 2: Balance the equation
02

Balance the equation

The balanced equation for this reaction is: \[H_{3}PO_{4}(aq) + 3NaOH(aq) \rightarrow Na_{3}PO_{4}(aq) + 3H_{2}O(l)\] b. \(H_{2}SO_{4}(aq) + Al(OH)_{3}(s)\) Step 1: Identify the products
03

Identify the products

In this case, the products would be aluminum sulfate, Al₂(SO₄)₃, and water H2O. Step 2: Balance the equation
04

Balance the equation

The balanced equation for this reaction is: \[3H_{2}SO_{4}(aq) + 2Al(OH)_{3}(s) \rightarrow Al_{2}(SO_{4})_{3}(aq) + 6H_{2}O(l)\] c. \(H_{2}Se(aq) + Ba(OH)_{2}(aq)\) Step 1: Identify the products
05

Identify the products

Here, the products would be barium selenide, BaSe, and water H2O. Step 2: Balance the equation
06

Balance the equation

The balanced equation for this reaction is: \[H_{2}Se(aq) + Ba(OH)_{2}(aq) \rightarrow BaSe(s) + 2H_{2}O(l)\] d. \(H_{2}C_{2}O_{4}(aq) + NaOH(aq)\) Step 1: Identify the products
07

Identify the products

In this example, the products are sodium oxalate, Na₂C₂O₄, and water H₂O. Step 2: Balance the equation
08

Balance the equation

The balanced equation for this reaction is: \[H_{2}C_{2}O_{4}(aq) + 2NaOH(aq) \rightarrow Na_{2}C_{2}O_{4}(aq) + 2H_{2}O(l)\]

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Most popular questions from this chapter

You are given a 1.50-g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into 100 mL of water and then add an excess of 0.500 M silver nitrate solution. You produce a white solid, which you then collect, dry, and measure. The white solid has a mass of 0.641 g. a. If you had an extremely magnified view of the solution (to the atomic- molecular level), list the species you would see (include charges, if any). b. Write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c. Calculate the mass percent of sodium chloride in the original unknown mixture.

Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the following are mixed. a. ammonium sulfate and barium nitrate b. lead(II) nitrate and sodium chloride c. sodium phosphate and potassium nitrate d. sodium bromide and rubidium chloride e. copper(II) chloride and sodium hydroxide

Many over-the-counter antacid tablets are now formulated using calcium carbonate as the active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for gastric hyperacidity, calcium carbonate reacts by combining with hydrochloric acid found in the stomach, producing a solution of calcium chloride, converting the stomach acid to water, and releasing carbon dioxide gas (which the person suffering from stomach problems may feel as a “burp”). Write the balanced chemical equation for this process.

One of the classic methods for determining the manganese content in steel involves converting all the manganese to the deeply colored permanganate ion and then measuring the absorption of light. The steel is first dissolved in nitric acid, producing the manganese(II) ion and nitrogen dioxide gas. This solution is then reacted with an acidic solution containing the periodate ion; the products are the permanganate and iodate ions. Write balanced chemical equations for both of these steps.

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