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The numerical value of a solubility product K_(sp) is measured by experiment.For example, we could determine K_(sp) for CaSO_(4) by adding on excess of solid CaSO_(4) to water, stirring the mixture to give a saturated solution of CaSO_(4) and then measuring the concentration of Ca^(2+) and SO_(4)^(-) in the saturated solution. Value of K_(sp) are unaffected by the presence of other ions in soluiotn. At 27^(@)C experiemntal value of K_(sp) is 2.4 xx 10^(-5) M^(2). Solubility of CaSO_(4) solution in 0.02M aqueous Ca(NO_(3))_(2) solution |
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Answer» `1.2 xx 10^(-3)M //` litre |
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