论剑mud一灯大师在那:what's the ingradients in the egg shell?

来源：百度文库 编辑：中科新闻网 时间：2024/06/30 20:22:43

鸡蛋壳的成分是什么？
答：碳酸钙。（不好意思，碳酸钙的英文不知道怎么说）

calcium carbonate
CaCO3

CaCO3

Caco3

主要是Ca元素,含有CaCO3,但不表明他就是!

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