If I am doing an experiment on human H295R cells where I would treat the with very low concentrations of both Atrazine and DMSO. I have the cell culture media and the DMSO but I need to make a (9ppm Atrazine, DMSO) by dissolving powdered atrazine in DMSO.  1. If I have 0.04 g of Atrazine left in the bottle, how much (9ppm Atrazine, DMSO) solution can Imake?

Macroscale and Microscale Organic Experiments
7th Edition
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Kenneth L. Williamson, Katherine M. Masters
Chapter4: Recrystallization
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If I am doing an experiment on human H295R cells where I would treat the with very low concentrations of both Atrazine and DMSO. I have the cell culture media and the DMSO but I need to make a (9ppm Atrazine, DMSO) by dissolving powdered atrazine in DMSO. 

1. If I have 0.04 g of Atrazine left in the bottle, how much (9ppm Atrazine, DMSO) solution can Imake? 

2. How much atrazine stock willl I need to make 15.5ml of treatment solution (3ppb ATZ, cell culture media)?

3. What would be best for me to meausre the stock ATZ and what would be best for me to measure the cell culture media?

4. And then how much DMSO would I need to add to my 15.5 ml control solution?

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