某温度下，Fe（OH）3（s）、Cu（OH）2（s）分别在溶液中达到沉淀溶解平衡后，改变溶液pH，金属阳离子浓度的变化如图所示．据图分析，下列判断错误的是_刷题宝

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某温度下，Fe（OH）₃（s）、Cu（OH）₂（s）分别在溶液中达到沉淀溶解平衡后，改变溶液pH，金属阳离子浓度的变化如图所示．据图分析，下列判断错误的是（　　）

A：K_spFe（OH）₃＜K_spCu（OH）₂

B：Fe（OH）₃、Cu（OH）₂分别在b、c两点代表的溶液中达到饱和

C：加适量NH₄Cl固体可使溶液由a点变到b点

D：c、d两点代表的溶液中c（H⁺）与c（OH^﹣）乘积相等

上一题下一题 0.0难度选择题更新时间:2019-12-03 10:46:22

答案(点此获取答案解析）

C

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