填空题:CO2和KO2有下列反应:4KO2+2CO2→2K2CO3+3O24KO2+4CO2+2H2O→4KHCO3+3O2若9

  • 题目分类:化学
  • 题目类型:填空题
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题目内容:

CO2和KO2有下列反应:
4KO2+2CO2→2K2CO3+3O2
4KO2+4CO2+2H2O→4KHCO3+3O2
若9 mol CO2在密封舱内和KO2反应后生成9 mol O2,则反应前密封舱内H2O的量应该是多少?列式计算。
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