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What Is the PH of a Buffer That Consists of 0.20

Question 71

Multiple Choice

What is the pH of a buffer that consists of 0.20 M NaH2PO4 and 0.40 M Na2HPO4? For NaH2PO4, Ka = 6.2 × 10-8


A) 6.51
B) 6.91
C) 7.51
D) 7.90
E) 8.13

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