A:向浓度为0.1mol•L﹣1的NaHCO3溶液中滴加少量盐酸后所得溶液中:c(Na+)=c(CO32﹣)+c(HCO3﹣)+c(H2CO3)
B:pH=3的CH3COOH溶液与pH=11的NaOH溶液等体积混合所得溶液中:c(CH3COO﹣)+c(H+)>c(Na+)+c(OH﹣)
C:0.1 mol•L﹣1CH3COOH溶液和0.1 mol•L﹣1CH3COONa溶液等体积混合:c(Na+)>c(CH3COOH)>c(CH3COO﹣)>c(H+)>c(OH﹣)
D:0.1 mol•L﹣1 NH4HSO4溶液中滴加0.1 mol•L﹣1 NaOH溶液至中性:c(Na+)>c(SO42﹣)>c(NH4+)>c(OH﹣)=c(H+)