6) In a tube containing 1 ml of a 1:5 dilution of A, and 4 ml of a 1:100 dilutio

Question

6) In a tube containing 1 ml of a 1:5 dilution of A, and 4 ml of a 1:100 dilution of B: 5:5:1:25 L:51:500 what is the final dilution of substance A 25- What is the final dilution of substance B1500 00 7) In a tube containing 6 ml of a solution of compound "A" at I mg /iml, and 6 ml of a solution of compound "B" at 2 mg /ml: What is the final concentration (mg/ml) of "A" 2 What is the final concentration (mg/ml) of "B"2 8) Can you make up 20 ml of a 1:200 dilution from 2 ml of a 1:40 stock solution? If so, how? If not why not? If not what is the largest volume of a 1:200 you could make? 9) You have 1.4285874 liters of a stock solution of compound "A" at 1:8 dilution and 8673 ml of a stock solution of compound "B" at 4 mg/ml. How could you make up exactly 16 ml of a working solution with final dilution of 1:64 compound "A" and Img/ml compound "B" without wasting reagents?

Explanation / Answer

Answer:

6)

Tube contains 1ml of 1:5 dilution of A and 4ml of a 1:100 dilution of B

7)

Tube contains 6ml of solution of compound A at 1mg/ml and 6ml of solution of compound B at 2mg/ml

8)

9)

How could you make exactly 16ml of a working solution with final dilution of 1:64 compound A and 1mg/ml compound B without wasting reagents.

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