If 100 G of NaF and 20

Multiple Choice

If 10.0 g of NaF and 20.0 g of HF are dissolved in water to make one liter of solution, what will the pH be? For HF, K_a = 6.8 × 10^-4.

A) 7.13
B) 2.54
C) 1.57
D) 3.17
E) 4.86