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You are asked to prepare 15% (w/w) solution of common salt.How much amount of water will be required to prepared this solution?

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You are asked to prepare 15% (w/w) solution of common salt.How much amount of water will be required to prepared this solution?

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To obtain 15% (w/w) common salt solution, 15g of common salt is mixed with 85 g of water, so that the total mass of the solution becomes 100 g.

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