For H3PO3, Ka1 = 1.0 × 10-2 and Ka2 = 2.6 × 10-7. Calculate a value for the [H2PO3?] in a 0.500 molar solution of H3PO3.
A) 1.0 × 10-2 mol L-1
B) 6.6 × 10-2 mol L-1
C) 7.1 × 10-2 mol L-1
D) 8.5 × 10-3 mol L-1
E) 3.3 × 10-3 mol L-1
Correct Answer:
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