Gas Law Question, Chemistry?

Question

Calculate the volume of a mole of any gas at STP.

Answer 1

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Use the ideal gas equation

PV = nRT

P = 1.00 atm (standard pressure)

V = ? L

n = moles = 1.00 mol

R = gas constant = 0.082057 L atm mol^-1 K^-1

T = temperature in Kelvin = 273.15 K (standard temperature)

solve for V

V = nRT / P

= 1.00 mol x 0.082057 Latmmol^-1K^-1 x 273.15 K / 1.00 atm

= 22.4 L

Answer 2

Vm = V/n = 22,4 L/mol

V = 22,4 L at STP

(or V = 24,5 L atSTP).