20g-3.2g |
56g/mol |
8.96L |
22.4L/mol |
|
1mol |
0.5L |
0.3mol×2 |
4 |
8 |
3 |
6 |
3 |
2 |
3 |
0.36mol |
0.1L |
0.4mol |
0.1L |
8 |
3 |
8n |
3 |
6 |
3 |
2 |
3 |
4n |
3 |
8n |
3 |
4n |
3 |
4n |
3 |
(0.2+
| ||
0.1L |
40n |
3 |
40n |
3 |
A.6.0 g | B.4.8 g | C.3.2 g | D.5.6 g |
A.反应的溶液中H2SO3浓度仍为0.1mol/L |
B.反应的溶液中HBr浓度仍为0.2mol/L |
C.反应的溶液中Cl-浓度为0.1mol/L |
D.反应溶液中H+浓度没有变化 |
A.5.4g | B.3.6g | C.2.7g | D.1.8g |
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