试题与答案

如图为A、B、C三种物质的溶解度曲线,请根据曲线回答下列问题: (1)0℃时,A

题型:填空题

题目:

如图为A、B、C三种物质的溶解度曲线,请根据曲线回答下列问题:

(1)0℃时,A、B、C三种物质的溶解度最大的是______;

(2)t℃时,将30g A物质加入到50g水中充分溶解,所形成的溶液质量是______g;

(3)若从B物质的溶液中得到B的晶体,最好采用的结晶方法是______;

(4)在不改变溶液中溶质质量分数的条件下,要使C物质的饱和溶液转变成不饱和溶液,采用的方法是______.

答案:

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参考答案:B

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