A sample of unknown compound gas X is shown by analysis to contain Sulphur and Oxygen. The

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A sample of unknown compound gas X is shown by analysis to contain Sulphur and Oxygen. The Gas requires 28.3 seconds to diffuse through a small aperture into a vacuum. An identical number of oxygen molecules pass through the same aperture in 20seconds. Determine the molecular mass of gas X (O= 16, S= 32)