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 January 5th, 2017, 07:20 AM #1 Member   Joined: Sep 2016 From: zambia Posts: 31 Thanks: 0 Molecular formula 0.070g of gas X with empirical formula CO occupies 60 cm^3 at r.t.p.What is its molecular formula?
 January 8th, 2017, 07:08 AM #2 Newbie   Joined: Jan 2017 From: Georgia Posts: 10 Thanks: 3 So I'm assuming that it's an ideal gas. So 1 mole of an ideal gas will occupy 22.42L 60 cm^3 is .06L 0.06L x 1mole/22.42L = 0.0027 mole 0.0027 mole x a(molar mass) = 0.070g you end up with the molar mass being 26.15 I don't know how to do the molecular formula though.

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