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What is the pH of a solution that is 0.2...

What is the pH of a solution that is 0.20 M in HF and 0.40 M in NaF ? `[K_a=7.2xx10^(-4)]`

A

1.92

B

2.84

C

3.14

D

3.44

Text Solution

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The correct Answer is:
d
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