THIS USER ASKED ๐Ÿ‘‡

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm?

THIS IS THE BEST ANSWER ๐Ÿ‘‡

Convert ml to L (6850/1000)
R constant is 0.082057 atm.L / mol.K
PV = nRT
T = PV / nR
= 2.21 x 6.85 / 0.750 x 0.082057
= 245.98K