称取8.2420g氯化钠.用纯水定溶至1000ml.稀释10倍.吸取25ml来校正硝酸银溶液.消耗硝酸银25.30ml.

问题描述:

称取8.2420g氯化钠.用纯水定溶至1000ml.稀释10倍.吸取25ml来校正硝酸银溶液.消耗硝酸银25.30ml.

氯化钠物质的量浓度=8.2420/(58.5*10)=0.01409 摩尔/升.
硝酸银溶液浓度=0.01409 *25/25.30=0.01392 摩尔/升.