15问答网 > 如何将浓硝酸稀释成稀硝酸，怎样测得硝酸的浓度

如何将浓硝酸稀释成稀硝酸，怎样测得硝酸的浓度

2025-03-28 16:18:18
推荐回答（1个）
回答1：

如何将浓硝酸稀释成稀硝酸，怎样测得硝酸的浓度
溶质溶剂均相同的溶液，将高浓度溶液稀释为低浓度溶液，其溶质的量是不变，根据这个溶质不变的性质去求体积的变化。
将a%的硝酸稀释成b%的硝酸，将溶质的量看为1，前后的体积之比为：（1÷a%）：（1÷b%）=b：a，即稀释前的溶液体积与稀释后的溶液体积之比为b：a
将a=68，b=15代入上式，稀释前的溶液体积与稀释后的溶液体积之比为15:68。
比如说将15L的浓度为68%硝酸稀释成浓度为15%的硝酸后，体积为68L。

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