摘要:有五种烃:甲烷.乙炔.苯和己烯(C6H12).甲苯(C7H8) .分别取一定质量的这些烃完全燃烧后生成的mmolCO2和nmol水. (1)当m = n时.该烃是 (2)当m =2 n时.该烃是 (3)当2m = n时.该烃是 (4)当4m = 7n时.该烃是

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