If two compounds have the same empirical form | vedclass

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(B) The empirical formula represents the simplest whole-number ratio of atoms in a compound. If two compounds have the same empirical formula but diff

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Different molecular weight

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(B) The empirical formula represents the simplest whole-number ratio of atoms in a compound. If two compounds have the same empirical formula but different molecular formulae,their molecular weights must be different because the molecular formula is an integer multiple of the empirical formula $(Molecular \ Formula = n 	imes Empirical \ Formula)$. Since the molecular weights are proportional to the molecular formulae,they will differ accordingly.

If two compounds have the same empirical formula but different molecular formulae,they must have:

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