The value of 1 mole of gas at ntp is July 8, 2019 16 32 64 128 A gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature t Mole number of particles relationship The mass of a 1.0 l sample of a gas is 0.716 g at stp. what is the molar mass of the gas The statement that molecular weights of all gases occupy the same volume is known as