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15问答网 > 明矾假如氢氧化钡溶液的反应式,2种情况谢谢了

明矾假如氢氧化钡溶液的反应式,2种情况谢谢了

2025-04-04 09:45:51

推荐回答（1个）

回答1：

小于等于1：2反应时只有BaSO4沉淀：
KAl(SO4)2+2Ba(OH)2=2BaSO4(沉淀)+KAlO2+2H2O

大于等于2：3反应时兼有Al(OH)3、BaSO4沉淀：
2KAl(SO4)2+3Ba(OH)2=K2SO4+2BaSO4(沉淀)+2Al(OH)3(沉淀)

介于上述2种比之间时，兼有BaSO4、Al(OH)3沉淀。

下标不会搞~ 将就着理解 = =`

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