Problem 1
Define: (a) solvent, (b) solute, (c) concentration.
Problem 2
Describe: (a) concentrated, (b) dilute, (c) saturated, (d) unsaturated, (e) supersaturated, (f) solubility.
Problem 4
Describe what will happen if a crystal of sugar is added to (a) a saturated sugar solution, (b) a supersaturated solution of sugar, and (c) an unsaturated solution of sugar.
Problem 5
What is the meaning of the term precipitate? What condition must exist for a precipitate to form spontaneously in a solution?
Problem 7
Why is an electrolyte able to conduct electricity while a nonelectrolyte cannot?
Problem 8
Which compounds are likely to be electrolytes and which are likely to be nonelectrolytes? \(\mathrm{CuBr}_{2}\), \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\), \(\mathrm{CH}_{3} \mathrm{OH},\) iron(II) chloride, \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), ethanol
Problem 9
What does it mean when we say that an ion is "hydrated?"
Problem 10
Define "dissociation" as it applies to ionic compounds that dissolve in water. Why don't strong bases "ionize"?
Problem 11
How can you tell that the following is a net ionic equation? $$ \mathrm{Al}^{3+}(a q)+3 \mathrm{OH}^{-}(a q) \longrightarrow \mathrm{Al}(\mathrm{OH})_{3}(s) $$
Problem 13
Give two general properties of an acid. Give two general properties of a base.
