题型：单选题 题类：常考题 难易度：普通
2015-2016学年山西省朔州市怀仁一中高一下学期期末化学试卷
实验 | 反应温度/℃ | Na2S2O3溶液 | 稀H2SO4 | H2O | ||
V/mL | c/（mol•L﹣1） | V/mL | c/（mol•L﹣1） | V/mL | ||
A | 25 | 5 | 0.1 | 10 | 0.1 | 5 |
B | 25 | 5 | 0.2 | 5 | 0.2 | 10 |
C | 35 | 5 | 0.1 | 10 | 0.1 | 5 |
D | 35 | 5 | 0.2 | 5 | 0.2 | 10 |
| 0min | 10min | 20min | 30min | 40min | 50min | 60min | ||
| ① | 10℃ | 1.1 | 0.90 | 0.80 | 0.73 | 0.68 | 0.65 | 0.65 |
| ② | 10℃ | a | 0.70 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 |
| ③ | 25℃ | 1.0 | 0.70 | 0.50 | 0.35 | 0.25 | 0.20 | 0.20 |
| ④ | 30℃ | 2.0 | 1.4 | 0.90 | 0.50 | 0.20 | 0.13 | 0.13 |
试题篮
