A.1:2 | B.1:11 | C.2:1 | D.1:8 |
| ||
4 |
x |
36 |
18g |
32 |
y |
36 |
18g |
A.Zn和Al | B.Fe和Mg | C.Fe和Zn | D.Al和Mg |
A.1:3 | B.1:2 | C.1:1 | D.2:1 |
A.AgF难溶于水 | B.NaCl全部参加反应 |
C.NaF全部参加反应 | D.NaF和AgNO3不反应 |
A.3.6 | B.3.5 | C.3.49 | D.3.7 |
A.1:1:1 | B.3:2:1 | C.1:2:3 | D.9:4:1 |
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