Answer to Question #260209 in General Chemistry for emi

Question

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?

Answer 1

1.pH of the buffer solution=3.8751

2.pH=4.022