Part A A 1.00 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCI. The K for HF is 6.8 x 10-4 2.80 3.54 3.87 O2.47 3.17 Submit Request