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1g氢气的物质的量为多少怎么算
更新时间: 2020-09-20 00:00:00  

1g氢气的物质的量为0.5mol。算法如下:

氢气为双原子分子,氢原子的物质的量为1,所以氢气的物质的量为2,而物质的量等于质量除以摩尔质量,所以1g氢气的物质的量为0.5mol。

关键词: 1g 氢气 物质 多少 怎么

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