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1)The compound CfCL3 has a vapor pressure of 856 mmHg at 27*c.if 11.5 grams of this substrance are sealed in a 900ML flask, howmuch liquid remains in equilibrium?

2) Ammonia has a vapor pressure of 255 mmHg at 220*k and 597mmHG at 235*K. what is the heat of vaporization?

3) Benzene has a heat vaporization of 30.72 KJ/MOL and a normalbp of 80.1 °c, what is the vapor pressureof benzene at 25 °C?

4) Molybdenum crystallizes in a Face centered cube with a cellvolume of 0.057nm3(cubed) what is the atomic radius ofmolybdenum?

5) A solution that is 26% KCL by mass has a density of 1.09g/mol. Find MOLARITY (M) and MOLALITY (m).

6) What is the vapor pressure of a solution made by dissolving28.5 grams of c3h8O3 in 125 grams of water at30 °C. the vapor pressure of pure water at that temparture is 31.8 mmHg.

7) Antifreeze is made by dissolving 21.6 grams of C2H6O2 in 85.4 grams of water (T °f=o °c and kfreezing pt=-1.86 °C/m)...what is the freezingpoint og the antifreeze?

8) A solution made by dissolving 1.7 grams of an unknown in 75grams of chloroform (T °b=61.2 °c and kboilint pt=29.2 °C/m) is found to have a boplingpoint of 64.85 °C. what is the molar massof the unknwn?

9) A 25 ml solution containing 27.55 mg of proten has an osmotic pressure of 3.22 mmHg at 25 °c. what is the molar mass of the unknown?

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  • Category:- Chemistry
  • Reference No.:- M91118070

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