A 360.0 mL buffer solution is 0.170 M in HF and 0.170 M in NaF.
a) What mass of NaOH could this buffer neutralize before the pH rises above 4.00?
b) If the same volume of the buffer was 0.330 M in HF and 0.330 M in NaF, what mass of NaOH could be handled before the pH rises above 4.00?