滴定序号 | 待测液体体积(mL) | 所耗盐酸标准液的体积(mL) | |
起始读数 滴定前 | 终点读数 | ||
1 | 20.00 | 0.50 | 20.40 |
2 | 20.00 | 6.00 | 26.10 |
3 | 20.00 | 4.00 | 24.00 |
物质 | 0℃ | 20℃ | 40℃ | 60℃ | 80℃ | 100℃ |
KCl | 28.0 | 34.2 | 40.1 | 45.8 | 51.3 | 56.3 |
K2SO4 | 7.4 | 11.1 | 14.8 | 18.2 | 21.4 | 24.1 |
K2Cr2O7 | 4.7 | 12.3 | 26.3 | 45.6 | 73.0 | 102.0 |
KNO3 | 13.9 | 31.6 | 61.3 | 106 | 167 | 246.0 |
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