If an effusion experiment, it required 45 seconds for
a certain number of moles of an anknown gas to pass through
a small orifice into a vacuum. Under the same conditions, It required 18 seconds for the same number of moles of oxygen to effuse. Find the molecular mass of the unknown gas.

Answer: A vacuum. Under the same conditions 16 s were required for the same number of moles of O2 to effuse. ... The molar mass of the unknown gas is 200 g/mol. calculation ... QUESTION 1 If gas-burning appliances are vented into an unlined masonry chimney, deteriorate and crumble and may · PLS HELP

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If an effusion experiment, it required 45 seconds fora certain number of moles of an anknown gas to pass througha small orifice into a vacuum. Under the same conditions, It required 18 seconds for the same number of moles of oxygen to effuse. Find the molecular mass of the unknown gas.​

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If an effusion experiment, it required 45 seconds for
a certain number of moles of an anknown gas to pass through
a small orifice into a vacuum. Under the same conditions, It required 18 seconds for the same number of moles of oxygen to effuse. Find the molecular mass of the unknown gas.