Answer to Question #8271 in Inorganic Chemistry for will
H3PO4(s) + H2O(l) H3O+(aq) + H2PO4−(aq)
Ka1 = 7.25×10−3
H2PO4−(aq) + H2O(l) H3O+(aq) + HPO42−(aq)
Ka2 = 6.31×10−8
HPO42−(aq) + H2O(l) H3O+(aq) + PO43−(aq)
Ka3 = 3.98×10−13
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