如图所示为A、B两种固体物质的溶解度曲线,按要求完成下列小题:

如图所示为AB两种固体物质的溶解度曲线,按要求完成下列小题:

1AB两种物质的溶解度都随温度的升高而  ,其中溶解度受温度影响较大的是  

2)已知t ℃时,A物质的溶解度为w g。则t ℃时,A物质的饱和溶液中溶质质量分数可以表示为  

3)气体的溶解度常用体积来表示,如0  ℃时,氮气的溶解度为0.023,其含义是  

答案

增大  A×100%

0 ℃标准大气压下1体积的水中最多溶解0.023体积的氮气

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