Students predict results based on chemical theory, then test their hypotheses experimentally. Shift of chemical equilibrium is explored in the following systems: acetic acid/sodium acetate, benzoic acid/sodium benzoate, ammonium hydroxide, iron (III) thiocyanate, chromate/dichromate and silver acetate. The kit contains a color chart, six depression plates, dropper pipette, and one bottle each acetic acid 0.1 M, sodium acetate 1.0 M, bromophenol blue indicator (1%), benzoic acid 0.001 M, sodium benzoate 0.25 M, universal indicator, ammonium hydroxide 0.25 M, ferric chloride 0.1 M, ammonium thiocyanate, potassium chromate, dilute hydrochloric acid, saturated silver acetate, ammonium chloride and iron thiocyanate. With 12 student data sheets, an instructor’s manual, and materials for 12 students.
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