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


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