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What is the pH of a 0.010 M solution of HF? (The Ka value for HF...

What is the pH of a 0.010 M solution of HF? (The Ka value for HF is 6.8×10−4.) What is the of a 0.010 solution of ? (The value for is .)

a. 1.58

b. 2.10

c.2.30

d. 2.58

e. 2.64

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