Question

a 3.67L flask is filled with carbon monoxide at 27 degrees C until the pressure is 1.27 atm. Calculate the total pressure after 3.42 moles of carbon dioxide has been added to the flask. (R=0.082 L-atm/K mol)
Use PV = nRT and solve for n = number of mols for 27 C and 1.27 atm.
Add 3.42 and substitute total mols into PV = nRT and solve for total P.

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