# chem

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Calculate the mass in grams of carbon needed to produce 160 g of CO2 in burning: C + O2 --> CO2

• chem -

C + O2 ==> CO2
mols CO2 needed = grams/molar mass.
Using the coefficients in the balanced equation, convert mols CO2 to mols C.
Now convert mols C to grams. g = mols x molar mass

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