已知置换反应a b→c d能够�生.1若d为h2b为稀硫酸则a的选择应满足的条件是 写出一个符合该条件的化学方程式 .2若d为 Template




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tomski已知置换反应a b→c d能够�生.1若d为h2b为稀硫酸则a的选择应满足的条件是 coloring