Question:
Fresh grapes contain 90% water by weight while dried grapes contain 20% water. What is the weight of dry grapes available from 20 kg of fresh grapes?
Fresh grapes contain 90% water by weight while dried grapes contain 20% water. What is the weight of dry grapes available from 20 kg of fresh grapes?
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Solids weight remains constant when water content changes in drying problems.
Updated On: Aug 4, 2025
- 2 kg
- 2.4 kg
- 2.5 kg
- None of these
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The Correct Option is C
Solution and Explanation
Fresh grapes: 90% water, so 10% solids = $0.1 \times 20 = 2$ kg solids. Dried grapes: 20% water, so 80% solids. Weight of dried grapes = $\frac{2}{0.8} = 2.5$ kg.
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