# How does one determine a molecular formula from the empirical formula

3 answers

## Answers

A

To make the compound have the molar mass given, you need to increase the empirical formula mass to the molar mass given. An easy way to do that is to multiply by the molar mass/empirical formula mass.

To determine a molecular formula from the empirical formula you need to know:

-the molecular mass

-calculate the empirical formula mass

-divide the molecular formular by the empirical formula mass

-multiply by this whole number the empirical formula

Explanation:

See the image below

[tex]Hows does one determine a molecular formula from the emprical formula?[/tex]

A) Multiply subscripts in the empirical formula by molar mass/empirical formula mass

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