Chem 162 final review - Study guides, Class notes & Summaries

Chem 16IMPORTANT CHEM 162 CONCEPTS2 final review.

Chem 162 final review

CHEM 162 Final Exam Review Problems 1. A chemist is given a white solid that is suspected of being pure cocaine. When 1.22 g of the solid is dissolved in 15.60 g of benzene, the freezing point is lowered by 1.32°C. Calculate the molar mass of the solid. The molal freezing-point constant (Kf) for benzene is 5.12°C/m. 303 g/mol 2. What is the expected osmotic pressure, in torr, of a 0.0100 M solution of NaCl in water at 25°C? A) 0.245 torr B) 15.6 torr C) 372 torr D) 186 torr E) non...

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