For H3PO4, Ka1 = 7 3 × 10^ 3, Ka2 = 6 2 × 10^ 8, and Ka3 = 4 8 × 10 ...

For H3PO4, Ka1 = 7 3 × 10^ 3, Ka2 = 6 2 × 10^ 8, and Ka3 = 4 8 × 10 ...