某金属1.3g与足量的盐酸反应,生成448ml(标准状况下)H2和二价金属的氯化物,则该金属的摩尔质量为___
人气：342 ℃ 时间：2019-10-08 23:24:30
解答
M+2HCl==MCl2+H2
M 1
1.3 0.448/22.4
M==1.3/0.448*22.4== 65
即 摩尔质量为65 g/mol(是锌Zn)
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