A new solution is often made using a stock solution from the shelf and diluting it to the proper strength. The formula V1C1 = V2C2 expresses the relation ship between the stock solution and the new solution. V1 represents the volume of the stock solution, C1 represents the concentration of the stock solution while V2 represents the volume of the new solution and C2 represents the concentration of the new solution. How much 7.5% solution can be made from 150 mL of 10% solution?

A. 20 mL
B. 2000 mL
C. 200 mL
D. 160 mL


Answer: C

Mathematics

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