Difference between revisions of "Ch4 Lec 8"
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| − | + | Don't read ahead :), this lecture is not yet complete. | |
| − | Dilutions | + | ===Dilutions=== |
| + | ===Dilution Worksheets=== | ||
The following worksheets were originally planned as a pre-lab activity...i did not reformat them for these "lecture notes." | The following worksheets were originally planned as a pre-lab activity...i did not reformat them for these "lecture notes." | ||
:Please complete these worksheets --> [http://esr.monmsci.net/wiki/images/a/ab/Prelab_Molarity_dilutions.pdf Concentration, Molarity, and Dilutions worksheets] | :Please complete these worksheets --> [http://esr.monmsci.net/wiki/images/a/ab/Prelab_Molarity_dilutions.pdf Concentration, Molarity, and Dilutions worksheets] | ||
| + | |||
| + | ===Dilution Activity=== | ||
| + | The following lab was originally planned but is now being used as a class activity. In this activity/lab, you were going to determine the concentration of the blue dye found in a PowerAde sports drink. Although the many details associated with the lab are outlined in the lab linked below, the basic take home message is...if you make a set of 3 solutions/dilutions and you use a spectrophotometer to measure the "absorbance" of each sample and then you can generate a set of data to complete the following table: | ||
| + | |||
| + | [[File:Screen Shot 2020-03-20 at 10.47.22 AM.png|400px]] | ||
| + | |||
| + | [http://esr.monmsci.net/wiki/images/8/86/Lab_Molarity_dilutions.pdf Molarity Lab] | ||
[https://youtu.be/AN4KifV12DA Crash Course Video] | [https://youtu.be/AN4KifV12DA Crash Course Video] | ||
Revision as of 15:47, 20 March 2020
Don't read ahead :), this lecture is not yet complete.
Dilutions
Dilution Worksheets
The following worksheets were originally planned as a pre-lab activity...i did not reformat them for these "lecture notes."
- Please complete these worksheets --> Concentration, Molarity, and Dilutions worksheets
Dilution Activity
The following lab was originally planned but is now being used as a class activity. In this activity/lab, you were going to determine the concentration of the blue dye found in a PowerAde sports drink. Although the many details associated with the lab are outlined in the lab linked below, the basic take home message is...if you make a set of 3 solutions/dilutions and you use a spectrophotometer to measure the "absorbance" of each sample and then you can generate a set of data to complete the following table:
