配置250克0.196的浓硫酸溶液,需0.98的浓盐酸(密度为1.84克每立方厘米)多少毫升
人气:420 ℃ 时间:2019-08-28 07:45:23
解答
设需X毫升
1.84x *0.98 = 250 * 0.196
x=27.2ml
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