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12-01-2024
Chemistry

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How many grams of NaF must be added to 60.0 mL of 0.500 M HF(aq) to adjust the pH to 4.00? Assume no volume change. The pKa of HF is 3.14.

A. 0.5 g
B. 1.0 g
C. 2.0 g
D. 4.0 g

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