Calculate the % relative error in solubility by using concentrations instead of activities for the Ag3AsO4 in7.3 x 10 aAg = 0,25 a AsO4 = 0,4 alfa0.05 M KNO3 (Ksp (Ag3AsO4)=-22

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Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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An acid-base indicator, HIn, dissociates according to the following reaction in an aqueous solution. K. Hin HIn(aq) = In (ag)+ H* (aq) The protonated form of the indicator, HIn, has a molar absorptivity of 2777 M-1.cm-1 and the deprotonated form, In¬, has a molar absorptivity of 19024 M-1·cm-1 at 440 nm. The pH of a solution containing a mixture of HIn and In- is adjusted to 5.86. The total concentration of HIn and In- is 0.000184 M. The absorbance of this solution was measured at 440 nm in a 1.00 cm cuvette and was determined to be 0.884. Calculate pka for HIn.
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Calculate the % relative error in solubility by using concentrations instead of activities for the Ag3AsO4 in 7.3 x 10 aAg = 0,25 a AsO4 = 0,4 alfa 0.05 M KNO3 (Ksp (Ag3AsO4) = -22