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ASSIGNMENT ID
790584
SUBJECT AREA Chemistry
DOCUMENT TYPE Lab Report
CREATED ON 11th December 2018
COMPLETED ON 12th December 2018
PRICE
$30
12 offers received.
Expert hired: enockiko1

Spectrophotometeric analysis (changes) of cobalt2+ ions

I AM ATTACHING THE -LAB MANUAL, -FORMAT OF THE LAB, -MY DATA. Format 1. Abstract 2. Introduction - define Visible light Wavelength Absorbance Concentration Analytical wave length 3. Data - turn in all your raw data Table 1 Make the following dilutions: 0.15 M Co2+ H2O %T Abs Molarity 10.0mL 0.0 mL ______ _____ _______ 8.0 mL 2.0 mL ______ _____ _______ 6.0 mL 4.0 mL ______ _____ _______ 4.0 mL 6.0 mL ______ _____ _______ 2.0 mL 8.0 mL ______ _____ _______ 1.0 mL 9.0 mL ______ _____ _______ Unknown A ______ _____ _________ Unknown B ______ _____ _________ Diluted Unknown ______ _____ _________ 4. Calculations- a) Graph of absorbance vs. wavelength. Also on the same graph indicate color on the wavelength axis. b) show sample calculations of the concentration of Co2+ for the 8.0 mL cobalt solution and 2.0 mL H2O sample c) Make a Table containing the concentration of each dilution and the absorbance of each dilution. Use this Table to create a graph of absorbance vs. concentration of Co2+ at the analytical wavelength. d)Explain (show) how you determined the concentration of unknowns A and B. 5. Limits On Results - 6. Conclusions - 7. Questions - p 7 post lab # 1 (parts 1-4)
I AM ATTACHING THE -LAB MANUAL, -FORMAT OF THE LAB, -MY DATA. Format 1. Abstract 2. Introduction - define Visible light Wavelength Absorbance Concentration Analytical wave length 3.
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