ch3notes_pt2

ch3notes_pt2 - produced is called the actual yield Cannot...

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©2010 Donald L. Siegel All rights reserved Reaction Yield Reaction Yield W All the calculations we’ve performed assume that the reaction goes to completion and that only the products we’ve written are formed. Sometimes unwanted “by-products” (side-reactions) also occur Products (or reactants) can be lost before they are used or measured W We can calculate the amount of product that should be produced, ideally. This is called theoretical yield.
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©2010 Donald L. Siegel All rights reserved % Yield % Yield W The amount of product that is really
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Unformatted text preview: produced is called the actual yield Cannot be predicted, must be measured % 100 % = yield l theoretica yield actual Yield 2010 Donald L. Siegel All rights reserved Example Example W 15 kg of Fe 2 O 3 is reduced to Fe. 8.8 kg are produced. What is the % yield? Fe 2 O 3 2Fe (dont need a complete reaction) Theoretical yield kg mol g O Fe mol Fe mol g mol O Fe kg 49 . 10 85 . 55 1 2 7 . 159 1 15 3 2 3 2 = % Yield % 9 . 83 % 100 49 . 10 8 . 8 % = = kg kg Yield...
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ch3notes_pt2 - produced is called the actual yield Cannot...

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