A 500.0 mL buffer solution is 0.100 M in HNO₂ and 0.150 M in KNO₂. Determine if each addition would exceed the capacity cof the buffer to neutralize it.
a. 250 mg NaOH
b. 350 mg KOH
c. 1.25 g HBr
d. 1.35 g HI