tumoriganilau tumoriganilau 26-05-2023 Chemistry contestada A gas sample weighing 3.78 grams occupies a volume of 2280 mL at STP. What is the apparent molecular mass of the sample? (Note: R = 8.314 kPa.dm3/K.mol or 0.0821 L.atm/K.mol or 62.4 L.torr/K.mol)