锂:物质的量0.2mol,摩尔质量()质量()微粒数目
锂:物质的量0.2mol,摩尔质量()质量()微粒数目
化学人气:187 ℃时间:2020-04-09 07:18:03
优质解答
锂的摩尔质量为7克/摩尔,0.2摩尔锂到质量为1.4克,微粒数量为1.204×10^23个
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