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The PH of 0

Question 69

Multiple Choice

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 7.6 103,6.2 108,and 2.1 1013,respectively.


A) 5.8 103 M
B) 7.6 103 M
C) 0.010 M
D) 6.2 108 M
E) 2.1 1013 M

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