试题与答案

右图是A、B两种固体物质的溶解度曲线: (1)P点表示:t1℃时,两种物质的溶

题型:填空题

题目:

右图是A、B两种固体物质的溶解度曲线:

(1)P点表示:t1℃时,两种物质的溶解度关系为b c(填“>”、“<”或“=”)。

(2)将t1℃时接近饱和的c溶液变成饱和溶液可以采取的方法是

              (只写一种)。

(3)t2℃,a、b、c三种物质的饱和溶液溶质质量分数的大小关系为      

(4)t2℃时,50 g b物质加入到50 g水中充分溶解后,所得溶液的质量为        

(5)b中含有少量的a,若要提纯b,可采用       结晶的方法。

答案:

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