Molality and Colligative Properties in Solutions- Exam Questions with Verified Solutions Latest Version ()

Molality and Colligative Properties in Solutions- Exam Questions with Verified Solutions Latest Version () Molality - Answers Moles of solute per kilogram of solvent. Molarity - Answers Moles of solute per liter of solution. Mole Fraction - Answers Ratio of moles of a component to total moles. Boiling Point Elevation - Answers Increase in boiling point due to solute presence. Freezing Point Depression - Answers Decrease in freezing point due to solute presence. Colligative Properties - Answers Properties depending on solute amount, not identity. Vapor Pressure - Answers Pressure exerted by vapor in equilibrium with liquid. Boiling Point Constant (Kb) - Answers Specific constant for boiling point elevation. Freezing Point Constant (Kf) - Answers Specific constant for freezing point depression. Van't Hoff Factor (i) - Answers Number of particles from solute dissociation. Osmosis - Answers Solvent flow into concentrated solution through membrane. Density of Solution - Answers Mass per unit volume of the solution. Molar Mass - Answers Mass of one mole of a substance in grams. Electrolytes - Answers Substances that dissociate into ions in solution. Nonelectrolytes - Answers Substances that do not dissociate in solution. ΔTb - Answers Change in boiling point of solvent. ΔTf - Answers Change in freezing point of solvent. Concentration - Answers Amount of solute in a given volume or mass. Solute - Answers Substance dissolved in a solution. Solvent - Answers Substance that dissolves the solute. Mole - Answers Unit representing 6.022 x 10^23 particles. Concentration Units - Answers Various ways to express solute concentration. Temperature Dependence - Answers Molarity changes with temperature; others do not. Experimental Determination - Answers Values obtained through laboratory measurements. Ideal Value - Answers Theoretical maximum for a property under ideal conditions. Dissociation - Answers Process where solute separates into ions. Osmotic Pressure - Answers Pressure needed to stop solvent flow. Van't Hoff Factor - Answers Number of particles a solute produces in solution. Gas Law Constant (R) - Answers Value used in gas equations, 0.08206 L·atm/mol·K. Dynamic Equilibrium - Answers State where forward and reverse reactions occur simultaneously. Chemical Equilibrium - Answers Concentrations of reactants and products remain constant. Equilibrium Constant (K) - Answers Ratio of product concentrations to reactant concentrations. Law of Mass Action - Answers Relationship between concentrations at equilibrium. Homogeneous Equilibrium - Answers Equilibrium where all reactants and products are in the same phase. Heterogeneous Equilibrium - Answers Equilibrium involving reactants and products in different phases. Forward Reaction - Answers Process converting reactants to products. Reverse Reaction - Answers Process converting products back to reactants. Equilibrium Expression - Answers Mathematical representation of equilibrium constant