来自沈嘉骅的问题
已知化学元素百分含量,求分子式AnorganiccompoundcontainingonlyC,HandBrwasfoundtocontain12.8%bymasscarbonand1.79%bymasshydrogen.Determinetheempiricalformulaofthecompound
已知化学元素百分含量,求分子式
AnorganiccompoundcontainingonlyC,HandBrwasfoundtocontain12.8%bymasscarbonand1.79%bymasshydrogen.Determinetheempiricalformulaofthecompound
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2019-07-09 21:34