Asked by Margaleta
During its combustion, ethane combines with oxygen to give carbon dioxide and water. A sample of ethane was burned completely and the water that formed has a mass of 1.61 grams. How many grams of ethane were in the sample?
Answers
Answered by
DrBob222
2C2H6 + 7O2 ==> 4CO2 + 6H2O
mols H2o formed = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols H2O to mols ethane.
Now convert mols ethane to grams; grams = mols ethane x molar mass ethane.
mols H2o formed = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols H2O to mols ethane.
Now convert mols ethane to grams; grams = mols ethane x molar mass ethane.