Question

Given the following equation: 2C6H6 + 15O2 - 12CO2 + 6H2O
How many moles of O2 are needed to react with 4.0 moles of
C6H6?

A. 30 Moles
B. 12 moles
C. 4.0 moles
D. 24 moles

Answer 1

4.0 moles to react with 4.0 moles

Answer 2

Answer: 30 moles

Explanation:

2C6H6 + 1502 -------> 12CO2 + 6H2O from reaction  

 2 mol   15 molgiven    4.0 mol

x molx = 4.0*15/2 = 30. mol