Calculate the volume of 10.00 mol of helium at 100.0 atm and 300.0 K using both the ideal gas equation and the Van der Waals equation. Explain the difference in values obtained.

• A. Ideal: 2.02 L, VdW: 2.36 L
• B. Ideal: 2.46 L, VdW: 2.69 L
• C. Ideal: 3.16 L, VdW: 3.68 L
• D. Ideal: 5.41 L, VdW: 1.12 L

Answer: (B)