O AM Your Funds Have Dis x L My Drive Google Dr x G Tender Flank steak R x How t
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O AM Your Funds Have Dis x L My Drive Google Dr x G Tender Flank steak R x How to take a screer X G Barcelona (and vicini xy M. University of Rio Gra x C Search Textbook sol x C O www.saplinglearning.com biscms/mod/ibis/view.php?id 3466494 My Assignment Resources 3/12/2017 11:55 PM 19.2/100 Gradebook O Assignment Information a Attempts Score te Print Calculator Periodic Table Available From: 2/27/2017 08:00 AM Question 7 of 10 3/12/2017 11:55 PM Due Date 95 Map Sapling Learning Points Possible 97 Grade Category: Graded Consider the following reaction. Description: K 0.042 PC Solving Equilibrium Problems. Reading Assignment: Section 17.5 The concentrations of the products at equilibrium are IPCll 0.19 M and ICI21 0.26 M. Policies: Homework What is the concentration of the reactant, PCI5, at equilibrium? You can check your answers. PC, You can view solutions when you complete or give up on any question. You can keep trying to answer each question until you get it right or give up. You lose 59% of the points available to each answer in your question for each incorrect attempt at that answer. O eTextbook OHelp with This Topic OWeb Help & Videos A Previous ® Give Up & view Solution Check Answer Next iExit O Technical Support and Bug Reports 2011-2017 Sapling Learning Inc. about us careers partners privacy policy terms of use contact us helpExplanation / Answer
Equilibrium constant expression is the ratio of concentration terms of products to concentration terms of reactants.
Kc = [PCl3][Cl2]/[PCl5]
0.042 = (0.19)(0.26) / [PCl5]
[PCl5] = 0.0494 / 0.042 = 1.18
Therefore, the concentration of PCl5 is 1.18 M
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