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The molecular weight of a molecule is the sum of the atomic weights of the constituent atoms.
一种分子的分子量就是构成它的原子成分之原子量总和。
youdao
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The molecular weight of a molecule is the sum of the atomic weights of the constituent atoms.
一种分子的分子量就是构成它的原子成分之原子量总和。
youdao