L and the pressure is 758 torrs...? ....at a temperature of 2.5 degrees C, what is the gas?
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02-23-2009, 05:18 PM #1rjkslahrfseioa
GuestIdeal Gas Law: An elemental gas has a mass of 10.3 g. If the volume is 58.4
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02-23-2009, 05:22 PM #2Dr.A
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n = 0.997 atm x 58.4 / 0.0821 x 275.5 K =2.57
MM = 10.3 / 2.57 = 4.0 g/mol => He
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