The pH of 0.010 M H3PO4(aq) is 2.24.Estimate the concentration of HPO42- in the solution.For H3PO4,The values of Ka1,Ka2,And Ka3 are 7.6 * 10-3,6.2 * 10-8,And 2.1 * 10-13,Respectively.
A) 5.8 * 10-3 M
B) 7.6 * 10-3 M
C) 0.010 M
D) 6.2 * 10-8 M
E) 2.1 *10-13 M
Correct Answer:
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