1g甲烷完全燃烧生成多少二氧化碳 CH4+O2=H2O+CO2 由这个化学式求
人气:400 ℃ 时间:2019-11-15 07:00:17
解答
CH4+2O2=2H2O+CO2
16 44
1g x
16/1g=44/x
x=2.75g
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