燃烧某有机物蒸气1.12L(标准状况),生成1.12LCO2和0.9g水,又知0.67g该物质在标准

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  • M=Vm*p=22.4L/Mol *0.67g/0.5L=30g/moln(有机物)=1.12L/22.4L/mol=0.05moln(C)=1.12L/22.4L/mol=0.05moln(H)=(0.9g/18g/mol)*2=0.10moln(有机物):n(C):n(H)=1:1:2N(O)=(30-1*12-2*1)/16=16/16=1化学式:CH2O...