molar solb of ca - Solubility Product Constant and the...

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Solubility Product Constant and the Common-Ion Effect for a Salt of Limited Solubility Constance Jamieson 10/27/2011 Chemistry 212 section 205 Lab partner: Andrew Cedeno Conclusion: In this experiment, the solubility product constant K sp was determined for calcium iodate and the effects of molar solubility of calcium iodate when an additional amount of calcium ions were added. Both experimental determinations were achieved by titrations with thiosulfate solution in the presence of potassium iodide with a 0.2% starch solution as the indicator. The solution was a very dark blue and turned clear when equivalence was reached. This experiment used saturated aqueous solutions of calcium iodate, which has very limited solubility in water. Because of the limited solubility, the solid salt and its ions in the solution are in a state of dynamic equilibrium between the solid phase and the solution phase. The concentrations of the ions in the solution are extremely low making exact measuring important in this experiment. It was also important not to
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molar solb of ca - Solubility Product Constant and the...

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