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1. |
A beaker contains 50 cc of an aqueous dye solution of concentration c (w/v). 25 cc of this solution is removed and replaced by 25 cc of distilled water. This process is repeated five more times. The final concentration of the solution is |
A. | c |
B. | c(1/2)5 |
C. | c(1/2)6 |
D. | c(1/2)7 |
Answer» D. c(1/2)7 | |