Posted by **Russell** on Thursday, April 8, 2010 at 11:00pm.

A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. How many gas particles are in this bubble?

- college Chem -
**DrBob222**, Thursday, April 8, 2010 at 11:29pm
I would use PV = nRT and solve for n = number of moles. You know 1 mole of anything contains 6.022 x 10^23 molecules. I assume that is what is meant by particles.

- college Chem -
**Anonymous**, Thursday, April 22, 2010 at 5:32am
n=pv/rt n=2.4atm x 0.250L / 0.08206 x 288K n=0.025879275 =0.03 moles

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