Homework Help: Chemistry

Posted by Jay on Wednesday, October 27, 2010 at 7:33pm.

I need help starting this problem:

A piece of dry ice (solid carbon dioxide) with a mass of 4.50 g is sealed inside a 2.0 L bottle, and allowed to sublime. At 22.0 degrees Celsius, what is the partial pressure of the CO2 in the bottle? (Assume that all of the CO2 in the sealed bottle came from the dry ice- the amount already present from the air will be negligible).

Thank you in advance! :)

Chemistry - DrBob222, Wednesday, October 27, 2010 at 9:06pm
Convert 4.50 g CO2 to moles. moles = grams/molar mass

Use PV = nRT to calculate P.

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