Calculate the % yield of product
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Calculate the % yield of product

[From: ] [author: ] [Date: 13-11-05] [Hit: ]
To get the mass of CO2, multiply the moles of CO2 by its molar mass.% yield = 0.2 g / theoretical yield from above.......
When 4.00 g of propane is burned in excess oxygen, 0.2 grams of carbon dioxide is actually produced. Calculate the % yield.

I have no idea how to do this please show me how you get the answer

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It's pretty low yield

C3H8 + 5O2 = 3CO2 + 4H2O

Convert 4 g of propane to moles

From the balanced equation, you make 3 moles of CO2 for every mole of propane.

To get the mass of CO2, multiply the moles of CO2 by its molar mass.

% yield = 0.2 g / theoretical yield from above. * 100
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