MCQOPTIONS
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| 1. |
Twenty-five litres of 60% concentration of an acid solution is added to 35 litres of 80% concentration of the acid solution. What is the concentration of acid in the new solution? (correct to one decimal places) |
| A. | 62.5% |
| B. | 60.7% |
| C. | 55.7% |
| D. | 71.7% |
| Answer» E. | |