ChemLab3+ - Determination of the Solubility Product...

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Determination of the Solubility Product Constant for a Slightly Soluble Salt Kate Parrott Lab Partners: Tyler Fournier, Justin Semenero Lab Section: Monday at Noon
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Goal: To study and determine the K sp for Cu(IO 3 ) 2 from observing the slightly soluble salt and its ions in an aqueous solution. Data/Results: In order to calculate the K sp for Cu(IO 3 ) 2 , we began by adding the different amounts of solution to the four test tubes, waited for precipitation to occur, then we filtered each solution (Table 1). We had to be careful while filtering the solution to not get the filter paper wet, as that error could possibly change the molarity. Table 1: Volumes of CuSO 4 and HIO 3 for solution preparation Test Tube #1 #2 #3 #4 mL 0.150 M copper (II) sulfate 5.40 5.70 6.00 6.30 mL 0.320 M iodic acid 6.60 6.30 6.00 5.70 Example Calculation 1: Determination of the Concentration of Copper (II) Sulfate 0.150 M (5.40 mL) = M 2 (12.0 mL) M 2 = 0.0675 Once the concentration was calculated, we placed each sample in to the spectrometer to measure
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ChemLab3+ - Determination of the Solubility Product...

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