AP Chemistry Kit 11 - Stoichiometry in the Synthesis of an Ionic Compound
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AP Chemistry Kit 11 - Stoichiometry in the Synthesis 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.
Many combinations of mono and trivalent cations yield crystals of the same stoichiometry and structure. The crystals are normally in the form of an octahedron. Sodium, potassium, and ammonium ions are often the monvalent species whereas aluminum and chromium are examples of the trivalent ions. Potassium Alum, KAl(SO?)? ? 12 H?O, is the most common and is used in water purification, paper manufacturing, and as a mordant in dyeing.
In this experiment, you will perform a series of chemical reactions which lead to the synthesis of the ionic compound Potassium Alum.
Kit includes:
• 2 x 25 g - Aluminum metal powder UN1396
• 2 x 250 ml - Potassium hydroxide 3.0M solution UN1814
• 4 x 250 ml - Sulfuric acid 3M solution UN2796
• 4 x 250 ml - Ethanol/Water V/V 50/50% solution UN1170
*NOTE: Shipped truck.
