Explain acidic salts and none that are not acidic salts

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Which response gives all of the members of the following list that are acidic salts and none that are not acidic salts?
KH2PO4, K2HPO4, K3PO4, NaHCO3, LiOH, LiH

KH2PO4, K2HPO4, LiH

KH2PO4, NaHCO3, LiOH

K3PO4, LiH

KH2PO4, K2HPO4, NaHCO3

KH2PO4, K2HPO4, NaHCO3, LiH

Reference no: EM13214142

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