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January 5th, 2017, 07:20 AM   #1
Joined: Sep 2016
From: zambia

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Molecular formula

0.070g of gas X with empirical formula CO occupies 60 cm^3 at r.t.p.What is its molecular formula?
jeho is offline  
January 8th, 2017, 07:08 AM   #2
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From: Georgia

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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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