利用氢气还原氧化铜实验测定水的组成如下图所示. 请回答下列问题 1实验中用锌粒和稀硫酸反应制取氢气. �检验了氢气的纯度后应先通一 Template




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tomski利用氢气还原氧化铜实验测定水的组成如下图所示. 请回答下列问题 1实验中用锌粒和稀硫酸反应制取氢气. coloring