Question
Consider the reaction below. 2Al_(2)O_(3)arrow 4Al+3O_(2) How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed? 17.7 mol 19.9 mol 39.8 mol 53.0 mol
Answer
4.7
(202 Votes)
Seren
Veteran · Tutor for 11 years
Answer
Explanation
1. From the balanced chemical equation
, we can determine that 2 moles of
produce 3 moles of
.2. To find out how many moles of
are produced from 26.5 moles of
, we set up a proportion based on the stoichiometry of the reaction:
3. Solving for
gives us:
4. Calculating the value of
:
5. The closest option to this value is 39.8 mol.