A.2∶1∶4 | B.1∶2∶4 | C.1∶2∶1 | D.1∶1∶4 |
剩余固体的组成 | m的取值范围 | n的取值范围 |
只有铜 | | |
有铁且有铜 | | (用含m的代数式表示) |
A.a一定大于b | B.a一定等于b | C.a可能小于b | D.a可能等于b |
| 0.1MPa | 0.5MPa[ | 1 MPa | 10 MPa |
400℃ | 99.2% | 99.6%[ | 99.7% | 99.9% |
500℃ | 93.5% | 96.9% | 97.8% | 99.3% |
600℃ | 73.7% | 85.8% | 89.5% | 96.4% |
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