Converting from empirical to molecular to formula units  [ENDORSED]

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Zuri Smith 1A
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Joined: Fri Apr 06, 2018 11:05 am

Converting from empirical to molecular to formula units

Postby Zuri Smith 1A » Mon Apr 09, 2018 6:59 pm

Hi,
In class we learned how to find both the molecular and empirical formulas. How do we use this information to find formula units, and what exactly are formula units? For example, in E21.: "Calculate the amount (in moles) and the number of molecules and formula units (or atoms if indicated) in a) 10.0 g of alumina, Al2O3...

Chem_Mod
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Re: Converting from empirical to molecular to formula units  [ENDORSED]

Postby Chem_Mod » Mon Apr 09, 2018 11:46 pm

A formula unit refers to a salt.

It is terminology used for salts.

NaCl is not a molecule and therefore NaCl should not be referred to as a molecular formula.

I'll mention this in class.


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