Multiple Choice
For H2CO3, Ka2 = 4.7 x 10-11. Which of the following numbers is closest to the pH of a 0.200 M Na2CO3 solution? (Hint: Only the first step in the hydrolysis of the CO32- ion need be considered in this calculation.)
A) 5.9 x 10-3
B) 2.2
C) 2.48
D) 11.6
E) 11.8
Correct Answer:

Verified
Correct Answer:
Verified
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