Calculate the ratio of the molarities of CO32- and HCO3- ions required to achieve buffering at pH = 9.0.For H2CO3,pKa1 = 6.37,and pKa2 = 10.00.
A) 0.50
B) 3.16
C) 1.65
D) 0.32
E) 0.61
Correct Answer:
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