Posted by **rose** on Wednesday, October 23, 2013 at 10:41pm.

A 0.286g sample of carbon dioxide, CO2, has a volume of 585mL and a pressure of 495mmHg . What is the temperature, in kelvins and degrees Celsius, of the gas?

- chemistry -
**DrBob222**, Wednesday, October 23, 2013 at 11:30pm
Use PV = nRT and solve for T which will be in kelvin. Then

kelvin = 273 + C

n = number of mols = grams/molar mass

- chemistry -
**rose**, Wednesday, October 23, 2013 at 11:41pm
How would i use the grams in this equation though?

- chemistry -
**DrBob222**, Wednesday, October 23, 2013 at 11:49pm
That's the line I wrote for

n = grams/molar mass

You must have n for PV = nRT

n = number mols CO2 and that is grams CO2/molar mass CO2

n = 0.286/44 = ?

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