A.43.2g | B.46.8g | C.53.6g | D.63.8g |
失去2e |
2OH- |
失去2e |
2OH- |
+3e |
8.96L |
22.4L/mol |
A.0.04mol | B.0.05mol | C.0.06mol | D.0.07mol |
A.1.0×10-3摩尔 | B.1.6×10-3摩尔 |
C.2.0×10-3摩尔 | D.2.2×10-3摩尔 |
A.
| B.
| C.
| D.
|
A.小于0.45mol |
B.等于0.45mol |
C.在0.45mol与0.90mol之间 |
D.大于0.90mol |
A.39:11 | B.29:11 | C.11:39 | D.11:29 |
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