Hydrofluoric acid (HF) has a Ka value of 7.2 10 4.250 mol of F ions (in the form of NaF) are added to 1.00 L of 0.100 mol L 1 aqueous HF. Calculate…

Hydrofluoric acid (HF) has a Ka value of 7.2 × 10¯ 4.a. 0.250 mol of F¯ ions (in the form of NaF) are added to 1.00 L of 0.100 mol L¯ 1 aqueous HF. Calculatethe resulting pH.b. To the solution produced in (a) is added 10.0 mL of 5.00 mol L¯ 1 NaOH. Calculate the resulting pH.