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1A. A buffer is made of 4.00 g HF and 10.00 g NaF in 80.0 mL...

1A. A buffer is made of 4.00 g HF and 10.00 g NaF in 80.0 mL of solution.

Calculate the pH of the buffer. (You will have to look up the Ka of the acid.)

1B. Add 1.00 mL of 2.0 M NaOH to the buffer. Assume no changes in volume.

Calculate the new pH of the buffer.

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