某含钙的物质可能由CaO、CaCO3和Ca(OH)2组成的分

问题描述:

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1个回答 分类:化学 2009-10-16

问题解答:

我来补答
解题思路: 根据三种物质的含钙量的大小考虑
解题过程:
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最终答案:略
 
 
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