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Unformatted text preview: sp K ˃ sp , which means the measured concentration of ions is higher than the concentration of ions at equilibrium. This means that the concentrations of A 2+ and X 2-could possibly be equal when a precipitate forms, as supported by the experimental data. 4. Heat of Reaction and Solubility If the reaction was exothermic, the solubility of the ions would increase with the increase in temperature. As heat escaped the reaction, the solution would cool, and the solubility of the ions would then decrease. To prevent the effect of temperature, the reaction could be put in a hot water bath or over a Bunsen burner. 5. A More Quantitative Method Another method of determining the value of the solubility product constant more accurately would be to set up a titration. After examining the results of the titration, the concentration of one of the ions would be known, and the concentration of the other ion could be determined using stoichiometry....
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This note was uploaded on 06/28/2011 for the course CH 118 taught by Professor March during the Spring '09 term at University of Alabama at Birmingham.
- Spring '09