chem assignment 9

Experiment 9 QUANTITATIVE ANALYSIS of FAT IN CHIPS

Data Collection and Results Pages Name: __________________________ Date: ___________________

I. Theoretical Percent Fat

Ingredients listed on the labels: Regular Lay’s Baked Lay’s

Information from Label Sample Regular Lay’s Baked Lay’s Total fat (g) (i.e. fat per serving)

Serving size (g) % DV fat Theoretical % fat

Show Calculations for following:

Calculation for Theoretical % Fat in Regular Lay’s:

Calculation for Theoretical % Fat in Baked Lay’s:

Experiment 9: QUANTITATIVE ANALYSIS OF FAT IN CHIPS

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II. Experimental Percent Fat

Regular Lay’s Baked Lay’s Mass of crushed chips (g)

Mass of empty 50-mL Erlenmeyer flask (g)

Mass of Erlenmeyer flask plus fat residue (g)

Mass of fat residue (g)

Observation for fat residue (color, texture, etc.)

Experimental % fat

Efficiency of Extraction

Show the Calculations for the following:

Calculation for Experimental % Fat in Chips: Regular Lay’s:

Baked Lay’s:

Experiment 9: QUANTITATIVE ANALYSIS OF FAT IN CHIPS

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Calculation for Efficiency of Extraction: Regular Lay’s:

Baked Lay’s: