2. Solving a chemistry problem
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2. Solving a chemistry problem
32. A portion of 0.4437 g of ferrous sulfate was dissolved and oxidized with nitric acid. How much 3% NH4OH solution should be taken for the quantitative precipitation of iron hydroxide (over neutralization of the free acid)? Under what conditions and why should precipitation be carried out? Explain the mechanism of action of each of the factors.
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