Absorbance of known Concentration of known iron solutions (in mg/liter) iron solution 1.0 mg/liter 0.039 1.5 mg/liter 0.058 2.0 mg/liter O.078 2.5 mg/liter 0.096 Unknown Sample No: Unknown Iron sample No.: Absorbance of unknown iron sample:_0.079 Concentration of unknown iron sample from graph by interpolation (mg/liter): Reference value of unknown iron sample 0.078 % error (show calculations):

Absorbance of known Concentration of known iron solutions (in mg/liter) iron solution 1.0 mg/liter 0.039 1.5 mg/liter 0.058 2.0 mg/liter O.078 2.5 mg/liter 0.096 Unknown Sample No: Unknown Iron sample No.: Absorbance of unknown iron sample:_0.079 Concentration of unknown iron sample from graph by interpolation (mg/liter): Reference value of unknown iron sample 0.078 % error (show calculations):

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.23QAP

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Answer provided: 0.09125N KSCN/0.09125M KSCN Please show your complete solution and write your answer clearly and readable. Thank you.
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Solid potassium sulfide is slowly added to 150 mL of a 0.277 M nickel(II) iodide solution until the concentration of sulfide ion is 0.0269 M. The percent of nickel ion remaining in solution is %. 20 Submit Answer $ 4 R F M 07 20 Retry Entire Group % 5 [Review Topics] [References] Use the References to access important values if needed for this question. T Cengage Learning Cengage Technical Support G ^ 6 8 more group attempts remaining D MacBook Pro Y H & 7 N U * 00 8 J I M 69 K O ) 0 < A L P A Previous Next Email Instructor { Save and Exit ~4 ? 1