Question
Circle answers Exercise 5.56 - Enhanced - with Feedback and Hints A sample of N20 gas...

Exercise 5.56 - Enhanced - with Feedback and Hints A sample of N20 gas has a density of 2.65 g L-at 298 K. Part A What is the pressure of the gas (in mbar)? Express your answer in millibar to three significant figures. View Available Hint(s) O AQ – oa ? mbar Submit
Answers
Molar mass of N2O,
MM = 2*MM(N) + 1*MM(O)
= 2*14.01 + 1*16.0
= 44.02 g/mol
Lets derive the equation to be used
use:
p*V=n*R*T
p*V=(mass/molar mass)*R*T
p*molar mass=(mass/V)*R*T
p*molar mass=density*R*T
P*44.01 = 2.65*0.08206*298
P*44.01 = 64.80
P = 1.47 atm
Answer: 1.47 atm
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