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January 30, 2015

January 30, 2015

Posted by **michelle** on Tuesday, May 18, 2010 at 9:11am.

Find the volume occupied by 0.500 mole He at STP .

- chemistry -
**DrBob222**, Tuesday, May 18, 2010 at 10:52amTwo procedures:

1. You know that 1 mole of any gas (an ideal gas) occupies 22.4 L at STP; therefore, 22.4 L x 0.5/1 = ?? OR

2. Use PV = nRT

P is 1 atm, V is the unknown, n = 0.5, you know R and T is 273.

The answer should be the same for both methods.

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