For H3PO4,Ka1 = 7.3 × 10-3,Ka2 = 6.2 × 10-6,and Ka3 = 4.8 × 10-13.A 0.10 M aqueous solution of Na3PO4 therefore would be _____.
A) neutral
B) weakly basic
C) weakly acidic
D) strongly acidic
E) strongly basic
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