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A 0.875 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar mass of the unknown com...

A 0.875 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar mass of the unknown compound?

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Answer #1

V= 245 mL V 0. 245 L 298 K P 1. 22 atm M=? pv= RT -22X0. 245 = 0.875 Xo.0821 X 298 M- 7.62 a/mo! molar mass = M= 71.6 2- /mol

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