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#1
09-10-2007, 10:49 AM
 Unregistered Guest Posts: n/a
Covert Weight To Volume

I need to convert a weight in grams, to a volume. IE 16g of CO2 = ?? mL?

Thanks for any help.
#2
09-10-2007, 03:42 PM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,378 Rep Power: 11
Re: Covert Weight To Volume

Quote:
 Originally Posted by Unregistered I need to convert a weight in grams, to a volume. IE 16g of CO2 = ?? mL? Thanks for any help.
CO2 is normally a gas, I'm assuming that is what you are asking about.

The molar mass of CO2 is 44, and 1 mole of ideal gas at 25°C, and atm occupies 24.5L.

Your volume is a proportion of that:

16 ÷ 44 x 24.5 = 8.9L, or 8900mL

This will change slightly for different temperatures and pressures. If you are applying the ideal gas law, temp needs to be in Kelvin, and pressure needs to be in atm.

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