7. 200.0 ml of 0.200 M Na3PO4, is added to 150.0 ml of 0.250 M Ca(NO3)2, and a precipitate result? What is the concentration of Ca2+ and PO43- after the precipitation occurs. (Ksp Ca3(PO4)2 = 6.3 X 10-15). Write chemical equations for the precipitation and Ksp reactions. Hint these RXNs are related and think about what the value of Ksp means and what assumptions we can make.

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Answered: 200.0 ml of 0.200 M Na3PO4, is added to…

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter15: Equilibria Of Other Reaction Classes

Section: Chapter Questions

Problem 11E: The Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities...

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7. 200.0 ml of 0.200 M Na₃PO_4,is added to 150.0 ml of 0.250 M Ca(NO₃)₂, and a precipitate result? What is the concentration of Ca²⁺ and PO₄^3- after the precipitation occurs. (K_spCa₃(PO₄)₂= 6.3 X 10^-15). Write chemical equations for the precipitation and K_sp reactions. Hint these RXNs are related and think about what the value of K_spmeans and what assumptions we can make.

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