_____ from his accent, he must be from Britain. A. Judged B. To judge C. Being judged D. Judging 答案:D
试用平衡移动原理解释①②并回答③.
①Mg(OH)2不溶于水,但能溶于NH4Cl溶液中.
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②向AgNO3溶液中滴加氨水,开始产生沉淀,后来沉淀又溶解.
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③AgCl是否溶于氨水,取决于什么因素?
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