摘要:(1)①10NH4NO3, 3H2O. ②Ca5(PO4)3OH↓+9H2O. (2)唯一副产物为水.工艺简单. (3)反应液局部酸性过大.会有CaHPO4产生. (4)Ca5(PO4)3OH. (5)酸性物质使沉淀溶解平衡Ca5(PO4)3OH(s)5Ca2+(aq)+3PO43 -(aq)+OH-(aq)向右移动.导致Ca5(PO4)3OH溶解.造成龋齿.
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