A.室温下,向0.01mol/LNH4HSO4溶液中滴加NaOH溶液至中性: c(Na+)>c(SO42-)>c(NH4+)>c(OH-)=c(H+) B.0 1 mol/LNaHCO3溶液:c(Na+)>c(OH-)>c(HCO3-)>c(H+) C.Na2CO3溶液:c(OH-) -c( H+) =c(HCO3-) +2c(H2CO3) D.25℃时,pH=4.75、浓度均为0.1moI/L的CH3COOH、CH3COONa混合溶液:c(CH3COO-) +c(OH-)<c(CH3COOH) +c(H+) |