58. Решение задачи по химии №005 874

52. What volumes of 20% (ρ = 1.14 g / cm3) and 6% (ρ = 1.04 g / cm3) solutions of sulfuric acid must be mixed in order to prepare 5 liters of a 10% solution (ρ = 1.07 g/cm3)?

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