如图是甲、乙两种固体物质的溶解度曲线. (1)由图中可看出,甲

如图是甲、乙两种固体物质的溶解度曲线.

1)由图中可看出,甲乙两物质中,溶解度受温度影响较大的物质是        

2)要使甲的饱和溶液变为不饱和溶液,可采取的方法是          (写出一种即可);

3t2时,将甲、乙各20g分别加入到两只盛有100g水的烧杯中,充分搅拌,所得乙溶液为      溶液(填饱和不饱和);若将温度都降低到t1,甲溶液中溶质的质量分数     (填“=”)乙溶液中溶质的质量分数.

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