右圖為A、B、C三種物質(zhì)的溶解度曲線,請回答
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:
(1)t
3℃時,A、B、C三種物質(zhì)的溶解度由大到小的順序是______.
(2)B、C兩物質(zhì)在______℃時溶解度相等.
(3)t
3℃時,A物質(zhì)在100g水中形成飽和溶液,此時A溶液的質(zhì)量分?jǐn)?shù)是______(精確到0.1%).
(1)t
3℃時,A、B、C三種物質(zhì)的溶解度由大到小的順序是A>B>C.
(2)B、C兩物質(zhì)的溶解度的交點(diǎn)對應(yīng)的溫度是t
1℃.
(3)t
3℃時,A物質(zhì)的溶解度為50g,故其飽和溶液在溶質(zhì)的質(zhì)量分?jǐn)?shù)為
×100%=33.3%.
故答案為:(1)ABC;(2)t
1;(3)33.3%