M- Texas Woman University... x C Chegg study Guided sol... x /biscm 3145131 ming

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M- Texas Woman University... x C Chegg study Guided sol... x /biscm 3145131 ming-com Ea e now to save a screen shot a apicture E pling 3/29/2017 11:55 PM CA 383/100 G 3/22/2017 08:28 PM Gradebook o Assignment Information Attempts Score a Print Calculator Periodic Table Available From: 3/3/2017 12:00 AM Question of 22 3/29/2017 11:55 PM Due Date: Map EA Sapling Learning Points Possible: Grade Category: Graded A generic salt, ABS, has a molar mass of 213 ol and a solubility of 1.60 g/L at 25 C. Description What is the Ksp of this salt at 25 C? Policies: omework. 3B lag ag 95 You can check your answers. Number You can view solutions when you complete or give up on any questio You can keep trying to answer each question until you get it right or give up. You lose 5% of the points available to each answer O Previous 8 Give Up & View solution check Answer O Next Exit 12 in your question for each incorrect attempt at that For the solubility equilibrium 13 AB, s O eTextbook 14 the equilibrium-constant expression is O Help With This Topic 15 67 16 OWeb Help & Videos where the concentrations are in molarity (molL). 17 O Technical Support and Bug Reports 18 95 o2011-2017 Sapling Learning, Inc. about us careers partners privacy policy terms of use contact us help 4:33 PM Ask me anything 3/24/2017 R3

Explanation / Answer

First, find moles in 1 L:

mol = mass/MW = 1.6/213 = 0.00751173 mol (per liter)

so

[AB3] = 0.00751173 mol per liter

AB3 <-> A+3 and 3B-

so

[A+3] = [AB3] = 0.00751173 M

[B-] = 3*[AB3] = 3*0.00751173 = 0.02253519 M

finally

Ksp = [A+3][B-]^3

substitute data

Ksp = (0.00751173 )(0.02253519 ^3)

Ksp = 8.5965310^-8

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