温度/℃ | 0 | 20 | 40 | 60 | 80 | |
溶解度/g | 甲 | 0.18 | 0.16 | 0.14 | 0.12 | 0.09 |
乙 | 35.7 | 36.0 | 36.6 | 37.3 | 38.4 | |
丙 | 13.3 | 31.6 | 63.9 | 110 | 169 |
温度/℃ | 0 | 10 | 20 | 30 |
NH4HCO3溶解度(g/100g水) | 11.9 | 15.8 | 21.0 | 27.0 |
结合硝酸钾在不同温度下的溶解度,判断下列说法错误的是( )
温度/℃ | 10 | 20 | 30 | 40 | 50 | 60 |
KNO3溶解度/g | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110.0 |
温度/℃ | 0 | 20 | 40 | 60 | 80 | |
溶解度/g | NaCl | 35.7 | 36.0 | 36.6 | 37.3 | 38.4 |
KNO3 | 13.3 | 31.6 | 63.9 | 110 | 169 |
温度/℃ | 0 | 10 | 20 | 30 | 40 | 50 | 60 | |
溶解度/g | KNO3 | 13.3 | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 |
KCl | 27.6 | 31.0 | 34.0 | 37.0 | 40.0 | 42.6 | 45.5 |
KNO3和KCl在不同温度时的溶解度表 | |||||||||
温度/℃ | 0 | T1 | 20 | T2 | 40 | 60 | 80 | 100 | |
溶解度/g | KNO3 | 13.3 | 25.0 | 31.6 | 35.1 | 63.9 | 110 | 169 | 246 |
KCl | 27.6 | 31.8 | 34.0 | 35.1 | 40.0 | 45.5 | 51.1 | 56.7 |
下列说法正确的是( )