Question 1

Which of the following is the correct net ionic equation for the reaction between potassium sulfite ($$K_2SO_3) $$and hydrochloric acid ($$HCl$$)?

Accepted Answer

$$SO_3$$^{2-}(aq) + 2H^+(aq) \rightarrow H_2O(l) + $$SO_2(g$$)$$

Question 2

Which of the following acids is classified as a strong acid?

Accepted Answer

Sulfuric acid ($$H_2SO_4)$$

Question 3

What is the net ionic equation for the reaction between nitric acid ($$HNO_3) $$and barium hydroxide ($$Ba(OH)_2$$)?

Accepted Answer

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

Question 4

Which of the following is a weak base?

Accepted Answer

Ammonia ($$NH_3)$$

Question 5

A student mixes solutions of sodium sulfate ($$Na_2SO_4) $$and magnesium chloride ($$MgCl_2). $$What is the net ionic equation for this reaction?

Accepted Answer

No net ionic equation; no reaction occurs.

Question 6

Which of the following best describes a neutralization reaction?

Accepted Answer

A reaction in which an acid reacts with a base to form water and a salt.

Question 7

Which of the following is the correct molecular equation for the reaction between magnesium hydroxide ($$Mg(OH)_2) $$and hydrochloric acid ($$HCl$$)?

Accepted Answer

$$Mg(OH)_2(s) + 2HCl(aq) \rightarrow $$MgCl_2$$(aq) + 2H_2O(l)$$

Question 8

Which of the following is the correct net ionic equation for the precipitation reaction between iron(III) chloride ($$FeCl_3) $$and silver acetate ($$AgC_2H_3O_2$$)?

Accepted Answer

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

Question 9

Which of the following is the correct net ionic equation for the reaction between lead(II) nitrate ($$Pb(NO_3$)_2) $$and zinc sulfate ($$ZnSO_4$$)?

Accepted Answer

$$Pb^{2+}(aq$$) + $$SO_4$$^{2-}(aq) \rightarrow $$PbSO_4(s$$)$$

Question 10

Which of the following is the correct net ionic equation for the reaction between sulfurous acid ($$H_2SO_3) $$and sodium hydroxide ($$NaOH$$)?

Accepted Answer

$$2H^+(aq) + 2OH^-(aq) \rightarrow 2H_2O(l)$$

Question 11

Which of the following is the correct net ionic equation for the reaction between barium hydroxide ($$Ba(OH)_2) $$and sulfuric acid ($$H_2SO_4$$)?

Accepted Answer

$$Ba^{2+}(aq$$) + $$SO_4$$^{2-}(aq) \rightarrow $$BaSO_4(s$$)$$

Question 12

Which of the following is a correct example of a gas-forming reaction?

Accepted Answer

$$CO_2(g) + H_2O(l$$)$$ is produced when Na_2SO_4(aq$$)$$ reacts with H_2CO_3(aq$$)$$

Question 13

Which of the following is the correct ionic equation for the dissociation of sodium hydroxide ($$NaOH) in $$water?

Accepted Answer

$$NaOH(s) \rightarrow Na^+(aq) + OH^-(aq)$$

Question 14

Which of the following is the correct balanced equation for the combustion of propane ($$C_3H_8$$)?

Accepted Answer

$$C_3H_8(g) + 5O_2(g) \rightarrow 3CO_2(g) + 4H_2O(g)$$

Question 15

How many moles of $$CO_2$$ are produced from 0.75 mol of propane ($$C_3H_8) in $$its complete combustion?

Accepted Answer

2.25 mol

Question 16

If you want to produce 12 mol of $$H_2O$$ from the combustion of propane ($$C_3H_8$$), how many moles of propane are required?

Accepted Answer

3.0 mol

Question 17

Which of the following is the correct mole-to-mole conversion factor for oxygen in the combustion of propane ($$C_3H_8$$)?

Accepted Answer

$$\frac{5 	ext{ mol } O_2$}{1 	ext{ mol } C_3H_8}$$

Ionic Equations, Acid-Base Reactions, and Stoichiometry in General Chemistry

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