Asked by Shay
A 10.0-g sample of C2H5OH is burned completely in air. How many molecules of H2O are formed?
3.92×1023
*How many grams are formed?*
did anyone figure out how to get the grams of H2O formed?
Answers
Answered by
Steve
start by defining the reaction:
C2H5OH + 3O2 = 2CO2 + 3H2O
Now you know that each mole of C2H5OH produces 3 moles of H2O.
convert grams C2H5OH to moles, multiply by 3, and convert moles H2O to grams.
C2H5OH + 3O2 = 2CO2 + 3H2O
Now you know that each mole of C2H5OH produces 3 moles of H2O.
convert grams C2H5OH to moles, multiply by 3, and convert moles H2O to grams.
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