Answer to Question #260209 in General Chemistry for emi

General Chemistry

Question #260209

What is the pH of a buffer solution containing 0.40 M HA (pKa = 4.0) and 0.3 M NaA?

For the previous problem, what would the pH be after adding 25 mL of 0.2 M NaOH to 85 mL of buffer solution?

Expert's answer

1.pH of the buffer solution=3.8751

2.pH=4.022

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