Calculate the pressure exerted by 0.300mol of acidic acid in 2L container at 40C .where a= 17. 71atm b=0.23L find the ideal gas pressure from vandal wall equations

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?