$$0.075 \times 1.5 = 0.1125$$ mol KOH

Question 1

Which of the following best describes a Brønsted-Lowry acid?

Accepted Answer

Donates H$$^+ to $$another species

Question 2

Which of the following is a strong base according to the study materials?

Accepted Answer

KOH

Question 3

What is the product of the reaction: NaOH$$(aq) + $$HCl$$(aq)$$ $$\rightarrow$$ ?

Accepted Answer

NaCl$$(aq) + H$_2O$(l)$$

Question 4

Which of the following reactions demonstrates that nonmetal oxides form acidic solutions when dissolved in water?

Accepted Answer

CO$$_2(g) + H$_2O$(l)$$ $$\rightarrow H$_2CO$_3(aq)$$

Question 5

Which of the following acids contains a polyatomic ion?

Accepted Answer

HNO$$_2$$

Question 6

Given the electronegativity values, which bond is least likely to donate H$$^+$$?

Accepted Answer

C-H

Question 7

Which of the following is a correct stoichiometric equation for the neutralization of sulfuric acid with potassium hydroxide?

Accepted Answer

2 KOH$$(aq) + H$_2SO$_4(aq$$) $$\rightarrow 2 H$_2O$(l) + K$_2SO$_4(aq)$$

Question 8

How many moles of KOH are required to neutralize 0.075 L of 1.5 M HBr?

Accepted Answer

$$0.075 	imes 1.5 = 0.1125$$ mol KOH

Question 9

Which of the following is NOT a strong acid?

Accepted Answer

CH$$_3$$COOH

Question 10

What is the mass of Ca(OH)$$_2$$ required to neutralize 150 mL of 3.0 M HNO$$_3$$? (Molar mass of Ca(OH)$$_2 = 74.09 g/$$mol)

Accepted Answer

$$0.45$$ mol HNO$$_3$$ \rightarrow 0.225$$ mol Ca(OH)_2$ \rightarrow 16.67 g$$

Question 11

Which of the following best describes the result of mixing a Group 2 metal oxide with water?

Accepted Answer

A basic solution is formed

Question 12

Which of the following is the correct balanced equation for the reaction of CO$$_2(g) $$with water?

Accepted Answer

CO$$_2(g) + H$_2O$(l)$$ $$\rightarrow H$_2CO$_3(aq)$$

Question 13

Which of the following is a correct statement about the Arrhenius definition of a base?

Accepted Answer

A base forms OH$$^- in $$aqueous solution

Question 14

Which of the following is a product of the reaction: 2 KOH$$(aq) + H$_2SO$_4(aq$$) $$\rightarrow$$ ?

Accepted Answer

K$$_2SO$_4(aq) + 2 H$_2O$(l)$$

Question 15

Which of the following is a plausible reason why C-H bonds do not donate H$$^+$$ easily?

Accepted Answer

Carbon is not sufficiently electronegative to polarize the bond

Question 16

Which of the following is a correct statement about the electronegativity difference ($$\Delta \chi) $$for HCl, HBr, and HI?

Accepted Answer

$$\Delta \chi$$ decreases from HCl to HI

Question 17

Which of the following is a correct application of the Brønsted-Lowry theory?

Accepted Answer

NH$$_3$$ acts as a base by accepting H$$^+$$ from water

Question 18

Which of the following is a strong acid that contains a halogen?

Accepted Answer

HBr

Introduction to Acid-Base Chemistry: Definitions, Reactions, and Stoichiometry

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