多少克二氧化硫与16克三氧化硫所含的分子个数相同?
人气：498 ℃ 时间：2019-08-21 16:37:28
解答
12.8克
16克三氧化硫是0.2摩尔,相同摩尔得分子晶体所含分子数相同,0.2摩尔的二氧化硫就是12.8克
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