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How the moleculer formula of a compound is calculated if its emperical formula is known?
Wiki User
∙ 14y ago
The gram molecular mass of the molecule must be measured by some independent method such as freezing point depression or boiling point elevation. Then the factor by which to multiply all of the subscripts in the empirical formula to get the molecular formula is the closest integer to the ratio of gram molecular mass to the gram molecular mass of a single unit of the empirical formula.
Wiki User
∙ 14y ago
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