Find the temperature at which 3 moles of $SO_2$ will occupy a volume of 10 litre at a pressure of $15\;atm\;\qquad a= 6.71\;atm \;liter^2\;mol^{-1}\; ;b= 0.0564 \;liters\;mol^{-1}$

Question

$\begin{array}{1 1} 6.24\;k \\ 624\;k \\ 312\;k \\ 49^{\circ}C \end{array} $