N a chemical formula indicating the numbers and types of atoms in a molecule 分子式 → compare empirical formula, structural formula
HSO is the molecular formula of sulphuric acid
This is the molecular formula of diazine.
这是氯哒嗪的分子式。
Before we can assign a structural formula to a compound, we must first know its molecular formula.
在确定一个化合物的结构式之前，首先应知道它的分子式。
Based on the valence bond theory, a general molecular formula for organic com - pounds is derived.
本文根据价键理论导出了一个有机化合物的分子总通式。
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