Worksheet 5 – Ch4, L2 “Reaction of Acids with Bases”

Q1: Answer The Following:
1. Which of the following is the balanced ionic equation for the reaction between water solutions of nitric acid, HNO3, and sodium hydroxide, NaOH? Circle the spectator ions.

• H+ (aq) + OH- (aq) → H2O (l); spectator ions: Na+ (aq), NO3- (aq)

• Na+ (aq) + NO3- (aq) → NaNO3 (aq); spectator ions: H+ (aq), OH- (aq)

• HNO3 (aq) + NaOH (aq) → NaNO3 (aq) + H2O (l); spectator ions: H+ (aq), OH- (aq)

• H+ (aq) + Na+ (aq) + OH- (aq) + NO3- (aq) → Na+ (aq) + NO3- (aq) + H2O (l); spectator ions: H+ (aq), OH- (aq)

Predict whether the neutralization reaction of each of the following acids and bases will yield an acidic, basic, or neutral solution: a. hydrochloric acid, HCl, and calcium hydroxide, Ca(OH)2

• Neutral solution

• Acidic solution

• Basic solution

• Slightly acidic solution

Predict whether the neutralization reaction of citric acid, H3C6H5O7, and sodium hydroxide, NaOH will yield an acidic, basic, or neutral solution:

• Acidic solution

• Basic solution

• Neutral solution

• Saline solution

Predict whether the neutralization reaction of nitric acid, HNO3, and methylamine, CH3NH2 will yield an acidic, basic, or neutral solution:

• Neutral solution

• Acidic solution

• Basic solution

• Buffer solution

Identify the acid and base combined to produce the following salts: potassium nitrate, KNO3

• Nitric acid (HNO3) and potassium hydroxide (KOH)

• Sulfuric acid (H2SO4) and potassium hydroxide (KOH)

• Nitric acid (HNO3) and sodium hydroxide (NaOH)

• Hydrochloric acid (HCl) and potassium hydroxide (KOH)

Identify the acid and base combined to produce the following salts: calcium chloride, CaCl2

• Hydrochloric acid (HCl) and calcium hydroxide (Ca(OH)2)

• Sulfuric acid (H2SO4) and calcium carbonate (CaCO3)

• Nitric acid (HNO3) and calcium oxide (CaO)

• Acetic acid (CH3COOH) and calcium bicarbonate (Ca(HCO3)2)

Identify the acid and base combined to produce the following salts: c. barium sulfate, BaSO4

• Sulfuric acid (H2SO4) and barium hydroxide (Ba(OH)2

• Hydrochloric acid (HCl) and sodium hydroxide (NaOH)

• Nitric acid (HNO3) and potassium hydroxide (KOH)

• Acetic acid (CH3COOH) and calcium hydroxide (Ca(OH)2)

Q1: Name two common salts and give a use for each.

• Sodium chloride (used in food) and calcium chloride (used for de-icing roads)

• Copper sulfate (used in batteries) and gold chloride (used in jewelry)

• Magnesium nitrate (used in fertilizers) and silver nitrate (used in photography)

• Potassium permanganate (used in water treatment) and zinc sulfate (used in paints)

What two types of compounds are produced by a neutralization reaction?

• Salt and water

• Acid and base

• Oxygen and hydrogen

• Metal and nonmetal

In the reaction described by the equation below, what are the spectator ions? H₃O⁺ + Br⁻ + Li⁺ + OH⁻ → Li⁺ + Br⁻ + 2H₂O

• Li⁺ and Br⁻

• H₃O⁺ and OH⁻

• Li⁺ and H₂O

• Br⁻ and H₂O