An equal number of moles of neon and a second gas diffuse into a chamber with no change in pressure or temperature. Which of the following is a possible molecular formula for the second gas if its diffusion rate is 55.2% lower than that of neon-20? (Molar Mass of Br = 80. F=19, Si = 28 (a) C₂H&S (b) HBrO (c) SiF4 (d) NO₂ (e) HCI An equal number of moles of oxygen and hydrogen 900 diffuse in