Friday, January 7, 2011

Determining Empirical Formulas from Composition

Because you can calculate the composition given the formula, you should be able to work the other way around and get formulas from their compositions.  That's what we worked on today. 

Weights
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Moles
associ1.gif (884 bytes)
Mole Ratio
associ1.gif (884 bytes)
Atom Ratio
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Express as Formula

Students should review the example problems that we worked in class.  We will continue this work in class on Monday.

HW: Spend 10 to 15 minutes reviewing problems; Senior Thesis!