AP Chemistry Kit 12 - Equilibrium Constant of an Ionic Compound
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AP Chemistry Kit 12 - Equilibrium Constant of an Ionic Compound Info:
Aldon® Innovating Science™ AP Chemistry kits offer cutting-edge science for the classroom! This kit helps science teachers teach science without the need for a lot of laboratory preparation. Enough materials for 15 setups. Includes teacher’s and student’s guides. Grades 9-12.
The idea of the reversibility of chemical reactions was first stated by C. Berthollet in 1799. He noted deposits of sodium carbonate in certain salt lakes in Egypt and concluded that they were produced by the high concentration of sodium chloride and dissolved calcium carbonate. This is the reverse of the standard laboratory procedure in which calcium carbonate is produced from the reaction of sodium carbonate and calcium chloride.
A standard curve will be established for the absorbance of a colored species and be used to determine the concentrations of unknown solutions. The results will allow us to determine the equilibrium constant for the formation of the colored species.
Kit includes:
• 1 x 500 ml - Ferric nitrate 0.20M solution
• 2 x 100 ml - Potassium thiocyanate 0.002M solution
• 1 x 100 ml - Nitric acid 0.5M solution UN2031
*NOTE: This item can only be shipped via Ground Service.
