A.溶液质量不变 | B.溶液中溶质质量增多 |
C.溶液中溶剂质量不变 | D.溶液浓度不变 |
A.1.1% | B.17.4% | C.22.2% | D.36.1% |
A.t2℃时,M、N两物质溶液溶质质量分数相等 |
B.由t1℃升温到t2℃时,N物质溶液溶质质量分数不变 |
C.M物质的溶解度大于N物质的溶解度 |
D.N物质的溶解度随温度的升高而降低 |
A.10% | B.20% | C.25% | D.33.3% |
A.20% | B.22.5% | C.25% | D.30% |
© 2017-2019 超级试练试题库,All Rights Reserved.