ACID BASE BALANCE
Define acid and base according to Arrhenius , Bronsted and Lewis. Strength of acids and bases , degree of dissociation.Ion activity . Balance of water ionization and pH concept . Relation between Ka and Kb of a couple acid -base balance. Calculations of the pH of : solutions of monoprotic acids and strong bases , weak acids and bases , polyprotic acids . Aqueous solutions of salts . Hydrolysis reactions and calculation of the pH of solutions of salts : salts of weak acid and strong base, salts of weak base and strong acid , salts of weak acids and bases . Buffer solution. Buffering capacity and buffering capacity .
Titrations ACID - BASE
Reactions volumetric analysis , definition of the equivalence point and the end point of a titration calculations acid-base indicators in volumetric analysis , range of color change . Choice of the indicator. Titration curves and their theoretical calculation for points : strong acid with a strong base, strong base with strong acid, weak acid monoprotic base strong , weak base with strong acid . Laboratory exercises on pH - metric titrations .
BALANCES of complexometric titrations
Coordination compounds : definition and nomenclature . Formation constants and constants of instability; monodentate ligands , polidendati and chelates. EDTA complexometric titration ; distribution diagrams . determination of iron (II) with the phenanthroline method . Determination of calcium and magnesium in the water
EQUILIBRIA SOLUBILITY '
Solubility and solubility product . The precipitation . Factors affecting the balance of precipitation: effect of
common ion , temperature , effect of the pH of the solution . Stoichiometric calculations relative to the equilibrium of precipitation.
BALANCE OF OXIDATION- REDUCTION
Balancing of a redox reaction ; stoichiometry of redox reactions in solution using both the moles that
equivalent electrode potentials standared ; fem and cell reaction ; stack and electrolysis ; reference electrode to hydrogen electrochemical series , how to predict if you make a spontaneous reaction between the two compounds ' s examination of potential standard indicators of redox titrations .
redox titrations Reactions volumetric analysis , definition of the equivalence point and the end point of a titration calculations in volumetric analysis , preparation of standard solutions and standardization of solutions. Indicators red-ox . Permanganometry