NaOH和H3PO4的反应有哪几步?
问题描述:
NaOH和H3PO4的反应有哪几步?
答
NaOH+H3PO4=NaH2PO4+H2O,
NaOH+NaH2PO4=Na2HPO4+H2O,
NaOH+Na2HPO4=Na3PO4+H2O.