Posted by **Billy** on Tuesday, November 2, 2010 at 2:27pm.

A scuba diver's tank contains .25 kg of oxygen compressed into a volume of 4.3 L (for oxygen, 32g = 1 mole)

Calculate the gas pressure inside the tank at 9 degrees Celsius

What volume would this occupy at 26 degrees Celsius and .95 atmospheres?

- chemisty help please -
**bobpursley**, Tuesday, November 2, 2010 at 3:27pm
Use the ideal gas law. moles O2= 250/molmassO2

P= nRT/V

- chemisty help please -
**Billy**, Tuesday, November 2, 2010 at 3:56pm
what would the number of moles equal then? and R= .0821 K atm L mol?

- chemisty help please -
**Bob**, Tuesday, November 2, 2010 at 4:20pm
I still don't get it.. lol

- chemisty help please -
**Smitty**, Friday, January 28, 2011 at 5:25am
.29kg=290g*32g(Molar mass of O2)

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