在铜锌原电池中,以稀硫酸为电解质溶液。负极反应式为       

在铜锌原电池中,以稀硫酸为电解质溶液。负极反应式为             _____;当外电路有0.1mol电子通过时,正极产生的气体在标况下的体积是         L

答案

Zn + 2eˉ = Zn2+1.12L

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