## Answers

law According to ideal gas PV= DRT P is the pressure V is the volume h is humber of moles R= 0-0821 L.atmi mol".k! %3D kelvin the temperature in T is mass molar mass

V- 728 md = 0.728 L (Imls toL) P= 760mm Hy= latn. 1= २54 273 = २११k- PV RT (lata) x (0.722L) (o021 L atm moi'k" )( *E* ) ( 398K ) h= 0-0297558 ?4 modes. n= 0-029 8 moles

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