Van der Waals equation

Using Van der Waals equation, calculate the compressibility of $50.0$ g of carbon dioxide in a $1.00$ L vessel at $25.0$ °C.

Use the following Van der Waals constants for carbon dioxide: $a = 3.592 \text{ atm L}^2 \text{ mol}^{-2}, b = 0.04267 \text{ L mol}^{-1}.$