ANS: B
PTS: 1 DIF: Easy REF: 12.3
KEY: Chemistry | general chemistry | rates of reaction | reaction rate | dependence of rate
on concentration | reaction order
ANS: D
PTS: 1 DIF: Difficult REF: 15.2
KEY: Chemistry | general chemistry | acids and bases | solutions of a weak acid or base
with another solute | buffer | Henderson-Hasselbalch equation