1. (1 point) Colligative properties are directly related to the ____.
   

freezing point of a solute

nature of the solute

nature of the solvent

number of solute particles in a solution

1. (1 point) What is the formula for sulfuric acid?
   

H₃SO₄

H₃SO₃

H₂SO₄

H₂SO₃

1. (1 point) Which of the following is an Arrhenius base?
   

CH₃COOH

HSO₄⁻

LiOH

NH₄⁺

1. (1 point) A Lewis base is a substance that can ____.
   

accept a pair of electrons

accept a hydrogen ion

donate a hydrogen ion

donate a pair of electrons

1. (1 point) Which compound is amphoteric and can act as both a Brønsted-Lowry acid and a Brønsted-Lowry base?
   

ammonia

hydrochloric acid

sodium hydroxide

water

1. (1 point) What are the bases in the following equilibrium reaction? CN⁻ + H₂O ⇄ HCN + OH⁻
   

CN⁻ , H₂O

CN⁻, OH⁻

H₂O, HCN

H₂O, OH⁻

1. (1 point) The products of the self-ionization of water are _______.
   

H₃O⁺ and H₂O

OH⁻ and OH⁺

OH⁺ and H⁻

OH⁻ and H⁺

1. (1 point) What type of solution is one with a pH of 10?
   

acidic

basic

neutral

The type varies depending on the solution.

1. (1 point) The base dissociation constant is only found for ________.
   

Concentrated bases

Dilute bases

Strong bases

Weak Bases

1. (1 point) A 18M solution of an acid that ionizes only slightly in solution would be termed_________.
   

concentrated and weak

strong and dilute

dilute and weak

concentrated and strong

Short Answer / Essay Questions

Please answer the following with complete sentences If there is math involved please show all of your work -The work is worth at least 1 point.

1. (3 points) If the solubility of a gas is 5.6 g/L at 505 kPa pressure, what is the solubility of the gas when the pressure is 1010kPa?
   
   
2. (4 points) You have your choice of sucrose, C₁₂H₂₂O₁₁, sodium chloride, NaCl, or calcium chloride, CaCl₂ to use to melt the ice on the driveway. Explain why each choice will melt the ice, but also include which is the best choice and why.
   
   
3. (3 points) Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1 x10⁻⁹. Is this solution acidic, basic or neutral? Show your work
   
   
4. (3 points) What is an acid dissociation constant? When can it not be calculated and why?
   
   
5. (4 points total) Classify each solution as either an acid or a base using the properties that are stated. What are two ways these solutions are similar? Solution A – has a bitter taste and feels slippery Solution B – has a sour taste and feels sticky.