What is the equilibrium concentration of H2PO4- in a 0.202 M solution of H3PO4(aq) ? (Ka1 = 7.5 10-3,Ka2 = 6.2 10-8,Ka3 = 4.8 10-13)
A) 1.1 10-4 M
B) 3.5 10-2 M
C) 3.9 10-2 M
D) 7.5 10-3 M
E) 6.2 10-8 M
Correct Answer:
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