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# Calculating the pH of a Solution of HF from the pKa and Molarity

CHEM-HKFRJU

The $pK_a$ of hydrofluoric acid is $3.14$. Calculate the $pH$ of a $0.735 \textrm{ M}$ solution of hydrofluoric acid.

A

0.134

B

0.211

C

1.50

D

3.01

E

3.14