Ideal Gas Law: An elemental gas has a mass of 10.3 g. If the volume is 58.4

[rjkslahrfseioa]

L and the pressure is 758 torrs...? ....at a temperature of 2.5 degrees C, what is the gas?

 

[Dr.A]

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