硫酸锶(SrSO4)在水中的沉淀溶解平衡曲线如下,下列说法正确的是A.

硫酸锶(SrSO4)在水中的沉淀溶解平衡曲线如下,下列说法正确的是

A.温度一定时,Ksp(SrSO4)随c(SO42)的增大而减小

B.三个不同温度中,313K时Ksp(SrSO4)最大

C.283K时,图中a点对应的溶液是饱和溶液

D.283K下的SrSO4饱和溶液升温到363K后变为不饱和溶液

 

答案

B

解析:温度一定时,Ksp(SrSO4)不变,三个不同温度中,313K时Ksp(SrSO4)最大。283K时,图中a点对应的溶液是不饱和溶液,283K下的SrSO4饱和溶液升温到363K后都是饱和溶液

 

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