How many moles of ethane (C2H6) would be needed to react with 62.3 grams of oxygen gas? Unbalanced equation: C2H6 + O2 â ' CO2 + H2O Show, or explain, all of your work along with the final answer.

Question

aaronq · Answer

C2H6 + O2 -> CO2 + H2O

(1) balance
(2) convert your masses given to moles
(3) use the coefficients of the balanced equation to find the moles of what you seek

eg. aA + bB -> cC

if you have moles of C, and want to find moles of A

A/a=C/c,  then isolate using algebra: A=aC/c