65. Solving a chemistry problem

65. Solving a chemistry problem

596. Determine the mass fraction of ammonia in the solution obtained by diluting an ammonia solution with a volume of 1 l (ρ = 0.9 g / cm3) with a mass fraction of NH4OH 25% with water of 9.1 l. How many grams of iron (III) hydroxide can be precipitated by the resulting solution weighing 5 g?

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