MCQOPTIONS
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| 1. |
Two solutions of acid and water containing acid and water in the ratio 2 ∶ 7 and 4 ∶ 5, respectively are mixed in the ratio 2 ∶ 5. What is the ratio of acid and water in the resulting solution? |
| A. | 8 : 13 |
| B. | 3 : 7 |
| C. | 8 : 17 |
| D. | 2 : 1 |
| Answer» B. 3 : 7 | |