Difference between Empirical and Molecular Formulas?

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Ruby 1l
Posts: 81
Joined: Fri Sep 29, 2023 10:59 am

Difference between Empirical and Molecular Formulas?

Postby Ruby 1l » Mon Oct 23, 2023 10:48 pm

I know how to figure out the Empirical formula, but I was wondering how to figure out the molecular formula as well. Is there a way?

Aditya_Patil_3A
Posts: 39
Joined: Fri Sep 29, 2023 11:36 am

Re: Difference between Empirical and Molecular Formulas?

Postby Aditya_Patil_3A » Mon Oct 23, 2023 10:49 pm

If you know the empirical formula and the molar mass of the molecular formula, then you find the ratio of the molar masses and multiply the empirical formula by that to get the molecular formula.

nyireess
Posts: 87
Joined: Fri Sep 29, 2023 10:42 am

Re: Difference between Empirical and Molecular Formulas?

Postby nyireess » Sun Oct 29, 2023 7:57 pm

To find molecular formula, you would divide the given molar mass of a compound by the empirical mass. Then, you take your quotient and multiply the empirical formula by the whole number. This should give you molecular formula!


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