Uranium hexafluoride is a solid at room temperature, but it boils at / (56^o C/). determine the density of uranium hexafluoride at / (60^o C/) and 745 torr.

Question

Chemistry

Holly Tucker

27 June, 05:42

Uranium hexafluoride is a solid at room temperature, but it boils at / (56^o C/). determine the density of uranium hexafluoride at / (60^o C/) and 745 torr.

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Evie Suarez · Answer 1

If it is known that at 60 °C and 745 torr UF₆ is present only as a gas then we can make the assumption that:

(n/V) = P/RT = (745 torr) / (62.36 L-torr/mol•K) (337 K) = 0.0354 mol/L

Therefore the density will be:

Density = (352.02 g/mol) (0.0354 mol/L) / (1000 cm³/L) = 0.0125 g/cm³