Bunuel wrote:
A container holds 10 liters of a solution which is 20% acid. If 6 liters of pure acid are added to the container, what percent of the resulting mixture is acid?
A. 5
B. 10
C. 20
D. \(33 \frac{1}{3}\)
E. 50
Total Soln.= 10
Initial Acid= 2
Final ACID= 2+6
% of acid= 8/16 so 50%
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