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Topic: Chemical Formulas Unit thingy  (Read 1862 times)

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Offline pdas002

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Chemical Formulas Unit thingy
« on: October 11, 2014, 02:17:07 PM »
Alright this thing still confuses me ... Lets say a question asks, How many magnesium atoms are represented by one formula unit of each of the following Ionic compounds.... What do they mean? and how would I go answering for lets say MgSO4 or Mg3(PO4)2.

Appreciate it :)
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Offline Borek

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Re: Chemical Formulas Unit thingy
« Reply #1 on: October 11, 2014, 03:08:39 PM »
Quote from: pdas002 on October 11, 2014, 02:17:07 PM
MgSO4

This is formula of a "molecule" of an ionic compound, just count the atoms.

Technically there is no such thing as a "molecule" of an ionic compound (unless we are talking about exotic conditions), but you can think of "formula unit" as another name of a molecule.
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