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Calcium phosphate and cahpo4)
作者:supman 来源: 日期:2012-2-9 19:02:15 人气: 标签:
The theory is that calcium phosphate soluble in water, cahpo4 slightly soluble in water, its water solution is the basic The experiment supplies and reagents: beaker glass tube litmus test paper reagent phenolphthalein PH The experiment steps: 1. The calcium phosphate and were taken DCP small, join in the beaker, plus a small amount of water, dissolves. 2. In two beaker, adding phenolphthalein, The experiment phenomenon: a beaker of liquid to become red, is DCP, another beaker discoloration, is calcium phosphate. Conclusion: calcium phosphate soluble in water, cahpo4 slightly soluble in water, its water solution is the basic
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