Help please!! Chemistryy!! Did I answer this right?

Question

The alcohol in “gasoline” burns according to the following equation.

C2H5OH + 3O3 ----> 2CO2 + 3H2O

Questions:

a) If 25 mol of C2H5OH burns this way, how many moles of oxygen are needed?

b) If 23 mol of carbon dioxide is produced by this reaction, how many moles of oxygen are consumed?

Answers:

a) 75 moles of Oxygen are needed.

b) 34.5 moles of oxygen are consumed.

Answer 1

Favorite Answer

Yes, you did. Simple molar conversions. Nice job!

Source(s): AP Chem student

Answer 2

Yep, you're right!

Moles O2 needed: 3 * 25 = 75 mol

Moles O2 consumed: (3/2)* 23 = 34.5 mol