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Chem152_Calib_Report_092411 (1)

Chem152_Calib_Report_092411 (1) - Name ID Number Section...

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Name: Section: ID Number: Lab Partner: Total Points = 60 pts (5 pts notebook, 55 pts template) DATA, GRAPHS AND CALCULATIONS nm 1 pt Creating the calibration curve: Ferroin: Concentration (M) Absorbance 2 pts 4 pts Slope of Absorbance versus concentration graph 1 pt y-intercept of Absorbance versus concentration graph 1 pt Detailed calibration equation: 2pts Determining theAmount of Iron in an Iron Tablet 1) Average mass of a tablet mg (provided in manual) 2) Mass of crushed tablet used in analysis mg 1 pt 3) Final volume after filtered crushed tablet solution mL is diluted in volumetric flask (lab manual Part II, Step 5) 4) Volume of diluted crushed tablet solution mL transferred to the new volumetric flask 5) Final volume of ferroin complex solution mL (end of lab manual Part II, Step 9) 6) Absorbance of the ferroin complex solution 1 pt (lab manual Part III, Step 3) 7) 3 pts 8) 2 pts 9) 3 pts 10) 2 pts 11) 3 pts 12) mg of iron per tablet as listed on the bottle mg λ max: M -1 Purpose and Method Clearly state the purpose of this part of the lab. Explain how this is accomplished in this experiment. What calculations do you need to perform? What measurements will be made? [Do not provide experimental details here].
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