Formula unit

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Sei Lam 3F
Posts: 51
Joined: Fri Sep 29, 2023 12:21 pm

Formula unit

Postby Sei Lam 3F » Mon Dec 04, 2023 10:11 am

What exactly does the textbook mean when it talks about formula units, and how does this differ from molecules? Thanks!
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Olivia Stenson 2C
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Joined: Fri Sep 29, 2023 10:54 am
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Re: Formula unit

Postby Olivia Stenson 2C » Mon Dec 04, 2023 10:21 am

I think this means the amount of “things” in regard to avagadros number. Like formula units of hydrogen in H20 would be two times the moles present times avagadros number.
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Kyle Hetherton
Posts: 40
Joined: Fri Sep 29, 2023 11:06 am

Re: Formula unit

Postby Kyle Hetherton » Mon Dec 04, 2023 10:24 am

A formula unit is the absolute grouping of atoms or the empirical formula. C2H5 is a formula unit. If there are two formula units, then the formula is C4H10.
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