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How would you prepare 2 L of 0.85% NaCl? (MW=58.44 g/mol) (2 pts) 2. You need...

  1. How would you prepare 2 L of 0.85% NaCl? (MW=58.44 g/mol) (2 pts)

2. You need to do a 1/25th dilution, explain how you would achieve this dilution. (2 pts)

3.If you performed a 1/10th dilution two times, what is the final dilution. (2 pts)

4.Your protocol calls for working with a 1.5 x 10-4 M boric acid solution. To save shelf space, you decide to make up a 20X stock solution. What is the molarity of the stock solution you just made? (2 pts)

5. You have 200 mL of 50X TAE. What volume of the 50X TAE is needed to prepare 25 mL of 10X TAE? (2 pts)

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