A.NaCN溶液的質(zhì)子條件是[H+]=[OH-]+[HCN] B.濃度為c的Na2S溶液的質(zhì)子條件是[OH-]=[H+]+[HS-]+2[H2S] C.濃度為c的(NH4)2CO3溶液的質(zhì)子條件是[H+]=[OH-]+[NH3]-[HCO3] D.濃度為c的NaOH溶液的質(zhì)子條件是[OH-]=[H+]+c
A.H2SO4+H3PO4 B.HCl+H3BO3 C.HAc+HF D.NaOH+Na3PO4