题型:单选题 题类: 难易度:容易
新疆兵团地州学校2023-2024学年高二上学期期中联考化学试题
实验 | 反应温度/℃ | Na2S2O3溶液 | 稀H2SO4 | V/mL | ||
V/mL | c/(mol•L﹣1) | V/mL | c/(mol•L﹣1) | |||
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 |
t/s | 0 | 50 | 150 | 250 | 350 |
n(NH3)/mol | 0 | 0.24 | 0.36 | 0.40 | 0.40 |
试题篮