題目列表(包括答案和解析)
甲、乙兩物質(zhì)溶解度曲線如右圖所示,在t2℃時(shí)分別往兩份100g水中加入30g甲和30g乙,充分?jǐn)嚢韬螅瑢⑷芤壕禍刂羣1℃,對(duì)所得溶液判斷正確的是( )
A.甲、乙溶解度相等,且兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等 |
B.甲、乙兩溶液均已飽和 |
C.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等,且均已飽和 |
D.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)不等,且均不飽和 |
甲、乙兩物質(zhì)溶解度曲線如右圖所示,在t2℃時(shí)分別往兩份100g水中加入30g甲和30g乙,充分?jǐn)嚢韬螅瑢⑷芤壕禍刂羣1℃,對(duì)所得溶液判斷正確的是( )
A.甲、乙溶解度相等,且兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等
B.甲、乙兩溶液均已飽和
C.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等,且均已飽和
D.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)不等,且均不飽和
A.甲、乙溶解度相等,且兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等 |
B.甲、乙兩溶液均已飽和 |
C.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等,且均已飽和 |
D.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)不等,且均不飽和 |
甲、乙兩物質(zhì)溶解度曲線如右圖所示,在t2℃時(shí)分別往兩份100g水中加入30g甲和30g乙,充分?jǐn)嚢韬,將溶液均降溫?i>t1℃,對(duì)所得溶液判斷正確的是( )
A.甲、乙溶解度相等,且兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等
B.甲、乙兩溶液均已飽和
C.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)相等,且均已飽和
D.甲、乙兩溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)不等,且均不飽和
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