here is how to do this math: http://www.quansysbio.com/dilutions
https://www.youtube.com/watch?v=v6dnEp58mVk
These are all the cups, from most concentrated to least from our experiment.
Tuesday, January 12, 2016
Dilutions lab
Since we have been learning about how to calculate the Molarity and Liters in a dilution, we did a lab to go along with it at the end of class. To start, we had a small sup full of 9mL of water, and to this we added 1mL of blue food dye. Next we took the pipette and removed 1mL of the mixture and put it in the next cup. Then, to this cup, we added another 9mL of water, and the food dye became slightly lighter. We continued this pattern of 1mL from the previous cup and 9mL of water until the cup was clear, and there was no more dye to be seen. After doing this, we did some dilution calculations to see the concentration in each cup.
here is how to do this math: http://www.quansysbio.com/dilutions
https://www.youtube.com/watch?v=v6dnEp58mVk
These are all the cups, from most concentrated to least from our experiment.
here is how to do this math: http://www.quansysbio.com/dilutions
https://www.youtube.com/watch?v=v6dnEp58mVk
These are all the cups, from most concentrated to least from our experiment.
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Holly, thanks for the great post! I like how you explained the procedure of the lab and related it to our unit. In addition, I found both of your links very helpful. The website clearly showed what each component means in a dilution formula and described the difference between types of solutions. Your video link also told me a dilution's effects and how they occur.
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