Fe+3 (aq) + SCN – (aq) FeSCN +2 (aq) She mixes 4.00 mL of 2.00 mM SCN– and 5.00 mL of 2.00 mM Fe+3 ions, then diluting with 1.00 mL of water to give a total volume of 10.00mL. She measures the absorbance of the solution as being 0.210. If she has previously calculated the molar absorbtivity constant (ε) of the product to be 2583 cm–1 M–1, what is her best estimate for the K value for this reaction?

Fe+3 (aq) + SCN – (aq) FeSCN +2 (aq) She mixes 4.00 mL of 2.00 mM SCN– and 5.00 mL of 2.00 mM Fe+3 ions, then diluting with 1.00 mL of water to give a total volume of 10.00mL. She measures the absorbance of the solution as being 0.210. If she has previously calculated the molar absorbtivity constant (ε) of the product to be 2583 cm–1 M–1, what is her best estimate for the K value for this reaction?

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

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

Section4.9: Spectrophotometry

Problem 4.14CYU

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