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Experiment4 development of an equation

Experiment4 development of an equation - Experiment4...

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Experiment4 development of an equation Haitian sun Chemistry 121 10/28/2010 T.A. – kelsey Instructor qualitative tests for ions are needed by comparing two different phenomena in 2 sample ,forming dark purple precipitate in order to test iodide .and in the second process one substance will react with lead cation by forming a dark precipitate ,a metal sulfide. Purpose: The purpose of this experiment is to determine the formula for the ionic solid formed in a reaction and to write the chemical equation for the reaction. Procedure: Procedure: refer to pages 32-33 of General Chemistry volume 1 by Judith Casey & Robert Tatz Report Sheet: See attached report sheet. Conclusion:
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in this experiment ,the way how to determine the formula of ionic solid was studied. With the kinds and amount of ions in solution, we can get the coefficient of the equation. A new kind of heating method, water bath, is studied. For part a ,it is not nitrate anion but iodide anion that will react with
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