# chemestry

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how many grams of dioxygen are required to burn 5.9 grams of C2H5OH?

• chemestry -

C2H5OH + 3O2 ==> 2CO2 + 3H2O
mols C2H5OH = grams/molar mass
Convert mols C2H5OH to mols O2 using the coefficients in the balanced equation.
Now convert mols O2 to grams. g = mols x molar mass.

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