将6.5g锌放入足量的稀硫酸中充分反应,得到80mL密度为1.25g/mL的溶液.试计算所得溶液中硫酸锌的物质的量浓度是多少?
人气:222 ℃ 时间:2019-08-27 16:38:25
解答
根据题意知,锌完全反应,稀硫酸过量,以锌为标准计算硫酸锌的物质的量, Zn+H2SO4 =ZnSO4 +H2 ↑ 1  ...
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