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A Buffer Solution Contains 0

Question 276

Multiple Choice

A buffer solution contains 0.75 mol KH2PO4 and 0.75 mol K2HPO4 .
What is the pH after 0.10 mol KOH is added to 1.00 L of this buffer? The pKa of H2PO4? is 7.21.


A) 6.91
B) 6.67
C) 7.21
D) 7.33
E) 7.09

Correct Answer:

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