1. Solutions

2. Types of Solutions Solid in liquid Liquid in Liquid Gas in Liquid Gas in Solid Liquid in Solid Solid in Solid Gas in Gas Liquid in Gas Solid in Gas

3. Concentrations of Solutions Molarity Normality Formality Molality Mole Fraction Mass Fraction Parts Per Million

4. Temperature Dependent Concentration Terms Molarity Normality Formality

5. Temperature Independent Concentration Terms Molality Mole Fraction Mass fraction

6. Molarity Defined as the number of moles ‘n’ of the solute dissolved in one litre of the solution

7. Normality Number of Gramequivalents of the solute dissolved in one litre of the solution

8. Formality Number of Formula mass units in grams dissolved in one litre if the solution

9. Molality Number of moles of the solute dissolved in 1000 grams of the solvent

10. Mole Fraction It is the ratio of the number of moles of the solute to the total number of moles of the solute and solvent in the solution

11. MassFraction It is the ratio of the mass of the soloute to the total mass of the solute and solvent of the solution

12. Parts Per Mllion It is the number of parts of the component present per million parts of the solution.