Determine the ph of the solution before the addition

Reference no: EM13687917

Question- A 100.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution before the addition of any KOH. The Ka of HF is 3.5 x 10-4.

A) 4.15

B) 0.70

C) 2.08

D) 3.46

E) 1.00

I need help for above question.

Reference no: EM13687917

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