(4分)室温下向含有NaOH和Ba(OH)2的溶液20mL中,边振荡边滴加0.05m

4分)室温下向含有NaOHBaOH2的溶液20mL中,边振荡边滴加005mol・L―1的硫酸溶液。当加入20mL时,沉淀量刚好达到最大;当加入硫酸60mL时,恰好达到中和。计算混合溶液中NaOHBa(OH)2溶液的物质的量浓度分别为多少?

答案

NaOH溶液和Ba(OH)2溶液的物质的量浓度为0.2 mol・L1005 mol・L1每问2

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