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 I , 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 I , Step 9) 6) Absorbance of the ferroin complex solution 1 pt (lab manual Part I I, 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 bot le 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 wil be made? [Do not provide experimental details here].
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