Essay
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.Calculate the 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.
Correct Answer:

Verified
Correct Answer:
Verified
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