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Dilutions 1. It is desired to prepare 250mL of a 15%HCl solution, from another 37%HCl solution, how many mL of the 37% solution should be

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Dilutions 1. It is desired to prepare 250mL of a 15%HCl solution, from another 37%HCl solution, how many mL of the 37% solution should be taken for them? 2. How many mL of water will need to be added to 20mL of a 75%m/v solution of phosphoric acid to make it 5%

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