The density of a gas of unknown molar mass was measured as a function of pressure at 0 °C, as in the table that follows. (a) Determine a precise molar mass for the gas. [Hint: Graph d/P versus P.] (b) Why is d/P not a constant as a function of pressure?
Pressure (atm) | 1.00 | 0.666 | 0.500 | 0.333 | 0.250 |
Density (g/L) | 2.3074 | 1.5263 | 1.1401 | 0.7571 | 0.5660 |
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