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蚁酸|化学视窗
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  • 盐酸比 - 一比230盐酸

    盐酸比 - 一比230盐酸

    前言：500ml盐酸比重设需浓盐酸x毫升,水y毫升 根据溶质不变的原则 x*1.18*37%=200*10% x=45.81(ml) y=200-45.81*1.18=145.94=146(ml) 需取浓盐酸45.81毫升,水...

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