Describe a series of experiments that the student could perform to investigate the chromate/dichroma equilibrium. Predict the results of these experiments

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Question
14
A student was supplied with the following chemicals
in order to investigate the equilibrium between yellow
chromate ions (Cro,²") and orange dichromate ions
(Cr,0;2) in aqueous solution.
Chemicals:
solid potassium chromate (K2CrO4)
solid potassium dichromate (K,Cr,0,)
1.0 mol/L hydrochloric acid
water
The equilibrium equation is:
2Cro, (aq) + 2H*(aq) E Çr,O,²¯(aq) + H2O(1)
Describe a series of experiments that the student
could perform to investigate the chromate/dichromate
equilibrium. Predict the results of these experiments.
Transcribed Image Text:A student was supplied with the following chemicals in order to investigate the equilibrium between yellow chromate ions (Cro,²") and orange dichromate ions (Cr,0;2) in aqueous solution. Chemicals: solid potassium chromate (K2CrO4) solid potassium dichromate (K,Cr,0,) 1.0 mol/L hydrochloric acid water The equilibrium equation is: 2Cro, (aq) + 2H*(aq) E Çr,O,²¯(aq) + H2O(1) Describe a series of experiments that the student could perform to investigate the chromate/dichromate equilibrium. Predict the results of these experiments.
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