Question

Chemistry
A buffer is made by dissolving 1.54 g NaF in
250.0 mL of 0.200 M HF. The Ka for HF is 6.4 x
10^-4.
a. What is the pH of the buffer that was
made?
b. What is the pH of this buffer after 20.0 mL
of 0.300 M HNO3 is added to the buffer?​

Answer 1

Answer:

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