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1. |
Solution-1 containing 20% w1 and w2 at the rate 10 Kg/min combines with Solution-2 containing 10% w1, 20% w2 and w3 at the rate 20 Kg/min, the product formed contains and 10% w1, 30% w2 and 20% w3, what is the percentage of w2 in solution-1? |
A. | 5% |
B. | 10% |
C. | 25% |
D. | 50% |
Answer» E. | |