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View Attempt 2 of unlimited Title: Chapter 19(2) Started: November 15, 2009 9:41 PM Submitted: November 15, 2009 10:05 PM Time spent: 00:24:04 Total score: 6/6 = 100% Total score adjusted by 0.0 Maximum possible score: 6 1. Chapter 11 S Ksp 2 At 25 o C the solubility of barium sulfate is 1.05 x 10 -5 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect). Student Response Value Correct Answer 1. 1.1E-10 100% Equals 1.1e-10 (100%) General Feedback: K sp = S 2 Score: 1/1 2. S g to Ksp 8 The solubility of magnesium phosphate at a given temperature is 0.759 g/100 mL. Calculate the K sp at this temperature. Use E notation and give your answer to 3 significant figures. Student Response Value Correct Answer Answer 2.17E-6 100% 2.17E-6 (2.17 × 10 -6 ) Score: 1/1 3. Chapter 11 Ksp S 6 What is the solubility in moles/liter for copper(I) chloride at 25 o C given a K sp value of 1 x 10 -6 . Write using scientific notation and use 1 or 2 decimal places (even though this is strictly

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Attempt 2 - View Attempt...

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