3.有60℃硝酸钾的不饱和溶液500克,其中溶解有157.1克硝酸钾,若要使该溶液成为饱和溶液,问可采用哪些方法?(通过计算回答)
硝酸钾不同温度下的溶解度如下:
0 166850 166858 166864 166868 166874 166876 166880 166886 166888 166894 166900 166904 166906 166910 166916 166918 166924 166928 166930 166934 166936 166940 166942 166944 166945 166946 166948 166949 166950 166952 166954 166958 166960 166964 166966 166970 166976 166978 166984 166988 166990 166994 167000 167006 167008 167014 167018 167020 167026 167030 167036 167044 211419
硝酸钾不同温度下的溶解度如下:
| 温度/℃ | 0 | 10 | 20 | 30 | 40 | 50 | 60 |
| 溶解度/ 克/100克水 | 13.3 | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 |