Determine the pH of a buffer made from 250 ml of 0.50M HF and 150 ml of 0.75 M NaF.

Answer 1

Substitute into the HH equation. HF is the acid; NaF is the base.

Answer 2

I still do not understand

Answer 3

Calculate the ph of a buffer solution prepared from 0.25m HF and 0.5m CaF2