Carbon monoxide reacts with oxygen to form carbon dioxide.

2 CO (g) + O2 (g) → 2C02 (8)

In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask?

4.30 atm

2.60 atm

3.40 atm

6.00 atm

The total pressure in the flask = 4.30 atm

Explanation:

Step 1: Data given

Volume of the flask = 1.00 L

Pressure of CO = 3.40 atm

Pressure of O2 = 2.60 atm

Step 2: The balanced equation

2 CO (g) + O2 (g) → 2C02

Step 3: Calculate the final pressure

3.40 atm of CO reacts with 1.70 atm of O2

There will remain 2.60 - 1.70 = 0.90 atm O2

There will be produced 3.40 atm of CO2

The total pressure in the flask = 0.90 atm + 3.40 atm = 4.30 atm