51. Solving a chemistry problem
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1. What mass of crystalline hydrate and water must be taken to prepare a solution of a known mass with the indicated mass fraction in terms of anhydrous salt?
substance mass of solution ω, %
l) manganese (II) sulfate pentahydrate 250 g 5
substance mass of solution ω, %
l) manganese (II) sulfate pentahydrate 250 g 5
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