Problem: At a certain temperature, K c equals 1.4 × 10 2 for the reaction:2 CO (g) + O 2 (g) ⇌ 2 CO 2 (g).If a 2.50-L flask contains 0.400 mol of CO 2 and 0.100 mol of O 2 at equilibrium, how many moles of CO are also present in the flask?        A) 0.169 mol           B) 0.028 mol                  C) 0.107 mol                              D) 0.0114 m

FREE Expert Solution
99% (59 ratings)
Problem Details

At a certain temperature, equals 1.4 × 10 2 for the reaction:

2 CO (g) + O (g) ⇌ 2 CO (g).

If a 2.50-L flask contains 0.400 mol of CO 2 and 0.100 mol of O 2 at equilibrium, how many moles of CO are also present in the flask?        

A) 0.169 mol           B) 0.028 mol                  C) 0.107 mol                              D) 0.0114 m

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Equilibrium Expressions concept. If you need more Equilibrium Expressions practice, you can also practice Equilibrium Expressions practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofAt a certain temperature, K c equals 1.4 × 10 2 for the reac...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 7 minutes and 4 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.