用95%浓硫酸配5%硫酸1000ml,求需要多少ml95%浓硫酸,多少ml水啊?

2025-04-06 16:55:39
推荐回答(4个)
回答1:

百分比的都是质量分数,你可以取10g95%的浓硫酸,里面有9.5g硫酸,然后加入180ml即180g水,总共就有190g溶液,而硫酸是9.5g,正好为5%。如果知道浓硫酸的密度的话,就可以算出10g浓硫酸的体积,可以按体积取浓硫酸。 如果最后得到的5%硫酸一定要1000ml且浓度非常精确的话,还要知道5%硫酸的密度,或者上面得到的190g溶液的体积,才能够配制出来。

回答2:

5%硫酸的密度是1.032g/ml
95%浓硫酸密度是1.84g/ml
5%硫酸1000ml总质量1032g,其中硫酸占51.6g,
用95%浓硫酸就需要52.65g,体积为28.6ml
用水质量=1032g-52.65g=979.35g/体积约为:979.35ml
希望满意

回答3:

其实很简单的,你要知道稀释的时候浓硫酸的质量是不变的,先算出0.95浓硫酸含硫酸多少,算出质量后除0.05得到0.05浓度稀硫酸溶液,再乘0.95,算出现在水的质量减去原来0.95时候的水的质量就是加多少水的质量了。 给分把 有温迪可以再问,支持的点下。谢谢。。。。

回答4:

配制1000ml 20%的稀硫酸需要98%的浓硫酸多少毫升?需要水多少毫升?配好后的溶液含水多少克? 回答十分很简单啊 ,

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