题型:综合题 题类:模拟题 难易度:困难
湖北省武汉市东湖高新区2018-2019学年中考化学5月模拟考试试卷
NH4Cl和Na2SO4的溶解度表及溶解度曲线如图.下列说法正确的是( )
温度/℃ | 10 | 20 | 30 | 40 | 50 | 60 | |
溶解度S/g | NH4Cl | 33.3 | 37.2 | 41.4 | 45.8 | 50.4 | 60.2 |
Na2SO4 | 9.6 | 20.2 | 40.8 | 48.4 | 47.5 | 47.0 |
温度/℃ | 0 | 10 | 20 | 30 | 40 | 50 | |
溶解度/g | NH4Cl | 29.4 | 33.5 | 37.2 | 41.4 | 45.8 | 50.4 |
KNO3 | 13.3 | 20.4 | 31.6 | 45.8 | 63.9 | 85.5 |
试题篮