A.苯酚的相对分子质量为50 |
B.苯酚由碳、氢、氧三种元素组成 |
C.苯酚中碳、氢、氧三种元素的质量比为36:3:8 |
D.每个苯酚分子中含有13个原子 |
A.0.71% | B.1.42% | C.2.18% | D.3.61% |
A.(1)(2) | B.(1)(3)(5) | C.(2)(4) | D.(1)(5) |
A.+
| B.+
| C.+
| D.+
|
A.64×2×(16+2)×2×12×16 | B.64×2+(16+1)×2+12+16×3 |
C.64×2+16+1×2+16×3 | D.64×2+16+1×2+12+16×3 |
1 |
12 |
A.
| B.
| C.
| D.
|
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