Given the following calibration curve data recorded from a Ca-ion selective electrode. The unknown and samples have a TISAB buffer (1 M KCI) added to prevent changes in the ionic strength impacting the results.|-log[Ca*2,mol/L]PotentialE vs RefpCa4.00-253.004.62.0034.2If the potential of an unknown Ca+2 solution is E vs REf=-19.97.Assume the original unknown sample was diluted by the following: A 9 aliquot of the original unknown was diluted to a total volume of 31 mL.Report the original concentration of Ca in ppm Ca to 3 decimal places

Given the following calibration curve data recorded from a Ca-ion selective electrode. The unknown and samples have a TISAB buffer (1 M KCI) added to prevent changes in the ionic strength impacting the results. |-log |Ca*2, mol/L) Potential E vs Ref pCa mV 4.00 -25 3.00 4.6 2.00 34.2 If the potential of an unknown Ca+2 solution is E vs REf=-19.97.

Given the following calibration curve data recorded from a Ca-ion selective electrode. The unknown and samples have a TISAB buffer (1 M KCI) added to prevent changes in the ionic strength impacting the results. |-log |Ca*2, mol/L) Potential E vs Ref pCa mV 4.00 -25 3.00 4.6 2.00 34.2 If the potential of an unknown Ca+2 solution is E vs REf=-19.97.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter10: Potentiometry And Redox Titrations

Section: Chapter Questions

Problem 2P

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