A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance reading of 0.46 is recorded. Using the same solution cell, a 0.055 M of copper (II) sulfate gives an absorbance reading of 0.34. What is the concentration of the first solution? A. 0.041 mol dm-3 B. 8.60 x10-3 mol dm-3 C. 0.35 mol dm-3 D. 0.074 mol mol dm-3

A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance reading of 0.46 is recorded. Using the same solution cell, a 0.055 M of copper (II) sulfate gives an absorbance reading of 0.34. What is the concentration of the first solution? A. 0.041 mol dm-3 B. 8.60 x10-3 mol dm-3 C. 0.35 mol dm-3 D. 0.074 mol mol dm-3

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions

Section4.8: Stoichiometry Of Reactions In Aqueous Solution-titrations

Problem 2RC

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