Gatorade Lab Packet (1) (1) (1) (3).docx

2 start logger pro and make sure the system

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2. Start Logger Pro and make sure the system recognizes that the spectrometer is connected. . (If it is connected, you should see a rainbow background on the graph.) 3. Fill one cuvette with 3 mL distilled water and place it in the spectrometer so that the flat sides of the cuvette face the light (you will see what this means in lab). To ensure consistency make sure the cuvette is facing the same direction each time it is placed in the spectrometer. 4. Click on Experiment , then Calibrate , then Spectrometer . A dialogue box will appear and display the message: waiting ____ seconds for lamp to warm up. *After the lamp has warmed once, you will not need to warm it again during lab and can skip the warm up when prompted later in lab. 5. When the warm up is complete, click Finish Calibration , then click OK .
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6. Now click on Configure Spectrometer (the rainbow under a curve) on the toolbar. Make sure that the program is set to collect “absorbance vs. wavelength” and click Okay . *****We’ll set the spectrometer aside for a moment and focus on the Gatorade***** Preparing concentrations and wavelength: 1. Measure out 30 to 40 mL of distilled water into a 150 mL beaker at your lab station. 2. Now, measure out one plastic tube and cap of Gatorade powder (a tube and cap full of powder is 0.70 g) and completely mix the powder into the beaker of water, then add enough water to bring the mixture up to 50 mL. Make sure you mix thoroughly until all the powder is dissolved. 3. Label a test tube with the percent solution you just mixed (you can grab some tape from up front to label each test tube). Percent Solution = gram solute/mL solution 4. Pour the mixture into the labeled test tube. Discard the remaining mixture that does not fit into the test tube.
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  • Spring '17
  • Baker, Lanning R,
  • Gatorade, Laboratory glassware, Percentage solution

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