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【简答题】
将Cu片插入0.5mol/kg CuSO4溶液的烧杯中,Ag片插入在0.5mol/kg的AgNO3溶液的烧杯中: (1)写出该原电池的电池符号; (2)写出电极反应式和原电池的电池反应; (3)求该电池的电动势; (4)若在CuSO4溶液中加入氨水,电池的电动势将如何变化?若在AgNO3溶液中加入氨水,情况又如何(定性回答)?
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