Deduce the relationship between the pressure and mass density,, of a perfect gas

Question

Deduce the relationship between the pressure and mass density,, of a perfect gas of molar mass M. Confirm graphically,using the following data on dimethyl ether at 25oC, thatperfect behaviour is reached at low pressures and find the molarmass of the gas. p/ka             12.223   25.20   36.97   60.37   85.23   101.3 /(kgm-3)      0.225   0.456   0.664    1.062   1.468   1.734 Deduce the relationship between the pressure and mass density,, of a perfect gas of molar mass M. Confirm graphically,using the following data on dimethyl ether at 25oC, thatperfect behaviour is reached at low pressures and find the molarmass of the gas. p/ka             12.223   25.20   36.97   60.37   85.23   101.3 /(kgm-3)      0.225   0.456   0.664    1.062   1.468   1.734

Explanation / Answer

the relation between pressure, density and molar mass of the gas can be related as: P=dRT/M so, M=dRT/P i dont really know what the (ka) stands for in pressure but (pa) is pascal for pressure. your temperature is 298 kelvin (25+273=298). Remember the density is in kgm^-3 so your R=8.3144 m^3 K^-1 mol^-1 ^ is raise to power. input Your Values In The Equation And Get Your Answers.

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