右图是A、B、C三种物质的溶解度曲线。下列说法错误的是 (     

右图是ABC三种物质的溶解度曲线。下列说法错误的是 (     

A.物质A的溶解度随温度的升高而增大

Bt1时,物质C饱和溶液的溶质质量分数为20%

C.将t2时物质C的饱和溶液降温到t1时,溶液浓度不发生变化

Dt2时的物质AB饱和溶液降温到t1时,两溶液额浓度AB

答案

D

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