If 18.0 g of NaF (40 g/mol) and 32.0 g of HF (20 g/mol) are dissolved...

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Question

If 18.0 g of NaF (40 g/mol) and 32.0 g of HF (20 g/mol) are dissolved in water to make 750 mL of solution, what will the pH be?

For HF, Ka = 6.8 x 10^-4

A. 3.17

B. 3.74

C. 3.47

D. 2.62

E. -0.57

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science chemistry

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