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e Chegg Stu X1 Chegg St × Chegg Stuc xyf. Alabama S: × -Course Do × Minbox (88) d www.saplinglearning.com/ibiscms/mod/ibis/view.php?id=4589198 M Your quest x 0 Chemdem: l Student Pc Sapling Learning macmilan learming Jump to... Adreanna Adams Question 13 of 16 Available From: Due Date: Points Possible: Grade Category: 3/12/2018 11:00 AM 3/16/2018 11:59 PM 100 Quiz 5 Sapling Learning A generic salt, Ab, has a molar mass of 217 g/mol and a solubility of 3.20 g/L at 25 . What is the Ksp of this salt at 25 ? Policies: Quiz You can check your answers. You can view solutions after the due date. You have three attempts per question There is no penalty for incorrect answers. Number s K,-111.35 × 10 eTextbook 10 1 Help With This Topic 12 1 OWeb Help & Videos 13 2 OTechnical Support and Bug Reports 14 15 2 Previ us Check Answer Next Exit Hint 16 1 O Type here to search 11:35 PM 3/14/2018 ^

Explanation / Answer

Solubility,S= 3.20 (g/L)/(217 (g/ mol))= 0.015 mol/ L

1 mol of AB2 produces 1 mole of A2+ and 2 moles of B-

[A2+]=[AB2]= S

[B-]=2[AB2]=2S

Ksp= [A2+][B-]^2

= S*(2S)^2

= 4S^3

= 1.28*10^-5

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