KH2PO4(l) and Na2SO4(aq).
K+ (aq),
H2PO4- (aq),
Na+ (aq) and
SO42- (aq)
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Further hydrolysis of H2PO4- (aq) and SO42- (aq) may produce
HPO42- (aq), PO43- (aq); HSO4- (aq) depending upon pH conditions
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