Question

How many moles of CO2will be produced if 9.0 moles of O2 completely react in the following reaction?

C2H5OH + 3O2 = 2CO2+ 3H2O

Answer 1

So what's the O2:CO2 ratio?

Answer 2

is there an equation that will help me figure that out?

Answer 3

Uh @kmorgan0627 that is the equation for your question xD you're currently in someone else's question

Answer 4

and @montanagolfer You can see the ratio by looking at your reaction equation.
How many moles of CO2 is produced when how many O2 reacts with how many C2H5OH?

Answer 5

3:2 ratio because of the numbers in the second equation in front of C02 and H20?
Thus....3=C02 and 2=H20?

Answer 6

Thats correct. 2 moles of CO2 are produced with 3 moles of O2

So when you have 9 moles of O2, how many moles of CO2 are produced?

Answer 7

ahhh 18. because 9x3=27 and 2x9=18....thus giving us 18 moles.. Is that correct?

Answer 8

No,
For 3x O2, 2x CO2 is produced
So for 9x O2, ?x CO2 is produced

You know how a crosstable works?

Answer 9

wow that makes a lot of sense....so much easier to just see it...I got 6 for the answer.

Answer 10

Yes that's correct
For each 3 O2, 2 CO2 is produced
3 fits 3 times in 9, so 2x3=6

Answer 11

thank you so much!

Answer 12

Or

\(\large\dfrac{9*2}{3}=6\)

Answer 13

You're welcome :)