91Ó°ÊÓ

Calculate the \(\mathrm{pH}\) of each of the following given the molar hydroxide ion concentration: (a) \(\left[\mathrm{OH}^{-}\right]=0.000031 \mathrm{M}\) (b) \(\left[\mathrm{OH}^{-}\right]=0.00000000066 \mathrm{M}\)

Calculate the molar hydroxide ion concentration of each of the following solutions given the \(\mathrm{pH}\) : (a) \(\mathrm{pH}=0.90\) (b) \(\mathrm{pH}=1.62\)

Calculate the molar hydroxide ion concentration of each of the following solutions given the \(\mathrm{pH}\) (a) \(\mathrm{pH}=4.55\) (b) \(\mathrm{pH}=5.20\)

State whether each of the following substances in an aqueous solution is highly ionized or slightly ionized: (a) strong acids (b) strong bases (c) soluble ionic compounds

State whether each of the following substances in an aqueous solution is highly ionized or slightly ionized: (a) weak acids (b) weak bases (c) slightly soluble ionic compounds

Classify each of the following acids as a strong or weak electrolyte: (a) \(\mathrm{HF}(a q)\) (b) \(\mathrm{HCl}(a q)\) (c) \(\mathrm{HNO}_{3}(a q)\) (d) \(\mathrm{HNO}_{2}(a q)\)

Classify each of the following bases as a strong or weak electrolyte: (a) \(\mathrm{KOH}(a q)\) (b) \(\mathrm{NH}_{4} \mathrm{OH}(a q)\) (c) \(\operatorname{Sr}(\mathrm{OH})(a q)\) (d) \(\mathrm{Al}(\mathrm{OH})_{2}(\mathrm{~s})\)

Classify each of the following aqueous solutions as a strong or weak electrolyte: (a) \(\mathrm{ZnCO}_{3}(s)\) (b) \(\operatorname{Sr}\left(\mathrm{NO}_{3}\right)_{2}(a q)\) (c) \(\mathrm{K}_{2} \mathrm{SO}_{4}(a q)\) (d) \(\mathrm{PbI}_{2}(\mathrm{~s})\)

Write the following acids in either the ionized or the nonionized form to best represent an aqueous solution: (a) \(\mathrm{HF}(a q)\) (b) \(\operatorname{HBr}(a q)\) (c) \(\mathrm{HNO}_{3}(a q)\) (d) \(\mathrm{HNO}_{2}(a q)\)

Write the following bases in either the ionized or the nonionized form to best represent an aqueous solution: (a) \(\mathrm{NaOH}(a q)\) (b) \(\mathrm{NH}_{4} \mathrm{OH}(a q)\) (c) \(\mathrm{Ba}(\mathrm{OH})_{2}(a q)\) (d) \(\mathrm{Al}(\mathrm{OH})_{3}(s)\)