HNO3(硝酸溶液的溶质)的摩尔质量是:63g/mol .
配1000ml浓度为3mol/L的硝酸溶液需原料浓硝酸质量是:
(3mol*63g/mol)/69%
=189g/0.69
=274g .
把上述质量的浓硝酸溶于纯水并稀释到1000ml,混合均匀即可.
(纯水用量约是1000g-274g=726g).
用69%的硝酸配置成浓度为3mol/L的稀硝酸酸1000ml
用69%的硝酸配置成浓度为3mol/L的稀硝酸酸1000ml
化学人气:491 ℃时间:2019-10-10 01:43:49
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