What is the formula of a molecular compound?

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What is the formula of a molecular compound?

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Answer 1 · 2018-01-24T15:54:46

Let us consider $empirical formula$ $"empirical formula"$ versus $molecular formula$ $"molecular formula"$ .

Explanation:

The $empirical formula$ $"empirical formula"$ is the simplest whole number ratio defining constituent atoms in a species. Given say a $molecule$ $"molecule"$ of $N_{2} O_{4}$ $N_2O_4$ or $C_{2} H_{6}$ $C_2H_6$ ...the empirical formulae are $N O_{2}$ $NO_2$ and $C H_{3}$ $CH_3$ by the given definition.

And of course, the $molecular formula$ $"molecular formula"$ is a whole number multiple of the $empirical formula$ $"empirical formula"$ ...in general combustion analysis gives us $% C; H; N$ $%C;H;N$ ...and we can use this to approach the empirical formula. For the molecular formula we need a determination of molecular mass.

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What is the formula of a molecular compound?

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