SOLUTIONS - 1 SOLUTIONS Definitions Solvation Hydration...

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1 SOLUTIONS Definitions Solvation Hydration Energy changes involved in solutions
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2 Solubility Definition Unsaturated Saturated supersaturated Factors affecting solubility Interactions of solute with solvent
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3 Effect of pressure -Henry’s law Effect of temperature Colligative properties of solutions Physical properties of solutions differ from that of the pure solvent. Physical properties that depend on the quantity and not on the kind of solute are called colligative properties. e.g. Lowering of vapor pressure (Raoults law)
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4 Elevation of boiling point Depression of freezing point Osmotic pressure
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5 Solution Stoichiometry A solution is a homogenous mixture of two or more substances. It is made up of a solute (solid) dissolved in a solvent (liquid). When water is the solvent, the solution is named aqueous solutions. Molarity is the amount of moles of solute dissolved in a liter of solution. To prepare a solution of known molarity from a solute e.g. 1M sodium hydroxide How many moles of solute is needed? Molarity = no of moles of solute/vol of solution Rewrite eqn No of moles of solute = molarity x vol of solution = =1mol/L x 1L = 1 mole 1M = 1 mole of solute in 1 L of solution
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This note was uploaded on 09/12/2011 for the course CHM 2045 taught by Professor Weinstein during the Spring '11 term at Santa Fe College.

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SOLUTIONS - 1 SOLUTIONS Definitions Solvation Hydration...

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