Question

How many grams of CO₂ gas would occupy 33.7 L of volume at a temperature of
-22.2°C and a pressure of 990 mm Hg?
1.3atm

Answer 1

Let's see

moles of CO_2

• PV=nRT
• n=PV/RT
• n=990(33.7)/(251.8)(8.314)
• n=15.9mol

Mass of CO_2

• Molar mass×n
• 15.9(44)
• 699.6g