Question 1

A student dissolves 5.85 g of NaCl in enough water to make 500 mL of solution. What is the molarity of the solution? (Molar mass of NaCl = 58.5 g/mol)

Accepted Answer

$0.20\ \mathrm{M}$

Question 2

Which of the following compounds is insoluble in water according to the solubility guidelines?

Accepted Answer

$\mathrm{BaSO_4}$

Question 3

What is the net ionic equation for the reaction between aqueous solutions of silver nitrate and sodium chloride?

Accepted Answer

$\mathrm{Ag^+ (aq) + Cl^- (aq) \rightarrow AgCl (s)}$

Question 4

Which of the following is a strong acid?

Accepted Answer

$\mathrm{HNO_3}$

Question 5

How many moles of $\mathrm{H_2SO_4}$ are present in 250 mL of a $0.500\ \mathrm{M}$ solution?

Accepted Answer

$0.125\ \mathrm{mol}$

Question 6

Which of the following is the correct formula for phosphoric acid?

Accepted Answer

$\mathrm{H_3PO_4}$

Question 7

A solution is prepared by diluting 50.0 mL of $2.00\ \mathrm{M}$ $\mathrm{HCl}$ to a final volume of 200.0 mL. What is the final concentration?

Accepted Answer

$0.50\ \mathrm{M}$

Question 8

Which of the following is a weak base?

Accepted Answer

$\mathrm{NH_3}$

Question 9

What is the oxidation number of sulfur in $\mathrm{H_2SO_4}$?

Accepted Answer

$+6$

Question 10

Which of the following reactions is a redox reaction?

Accepted Answer

$\mathrm{Zn (s) + CuSO_4 (aq) \rightarrow ZnSO_4 (aq) + Cu (s)}$

Question 11

A titration requires $25.0\ \mathrm{mL}$ of $0.100\ \mathrm{M}$ $\mathrm{NaOH}$ to neutralize $50.0\ \mathrm{mL}$ of $\mathrm{HCl}$. What is the concentration of the $\mathrm{HCl}$?

Accepted Answer

$0.050\ \mathrm{M}$

Question 12

Which of the following is the correct net ionic equation for the neutralization of $\mathrm{HNO_3}$ with $\mathrm{KOH}$?

Accepted Answer

$\mathrm{H^+ (aq) + OH^- (aq) \rightarrow H_2O (l)}$

Question 13

Which of the following ions would NOT be present in a solution of $\mathrm{Ba(NO_3)_2}$?

Accepted Answer

$\mathrm{Cl^-}$

Question 14

Which of the following is the correct name for $\mathrm{HClO_3}$?

Accepted Answer

Chloric acid

Question 15

Which of the following compounds will form a precipitate when mixed with $\mathrm{Na_2SO_4}$ (aq)?

Accepted Answer

$\mathrm{BaCl_2}$

Question 16

Which of the following is a nonelectrolyte?

Accepted Answer

$\mathrm{C_6H_{12}O_6}$ (glucose)

Question 17

Assign the oxidation number to nitrogen in $\mathrm{HNO_3}$.

Accepted Answer

$+5$

Question 18

Which of the following best describes the role of $\mathrm{Cl_2}$ in the reaction $\mathrm{Cl_2 (g) + 2Br^- (aq) \rightarrow 2Cl^- (aq) + Br_2 (l)}$?

Accepted Answer

Oxidizing agent

Question 19

Which of the following statements is true about the reaction between $\mathrm{Na_2CO_3}$ and $\mathrm{HCl}$?

Accepted Answer

It is both an acid-base and a gas-evolving reaction.

Chapter 4: Reactions in Aqueous Solution – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards