Colligative properties of soln. 1. Calculate the boiling point and freezing point of 30 g sucrose (342) in 110 g water? 2. A 1.5 g sample was dissolved in 30 g water. The crystals were observed to start to form in this soln at -0.93 oC. Calc the MM of the compound. 3. The osmotic pressure of a soln containing 50 g of myoglobin in benzene in 10 mL of soln is 4.8 Torr at 5oC.What is the MM of myoglobin? 4. If 100 g of glycerine (92 g/mole) is mixed with 150 mL water , what is the v. pres of soln at 25 oC? (PH2O at 25 oC = 23.76 mm Hg)

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.