16. Solving a chemistry problem
5. A sample of 0.8007 g of a sample of technical ammonium sulfate was treated with 15 ml of 30% aqueous formaldehyde solution. After 10 minutes, the resulting solution was titrated with 15.25 ml of 0.1249 M KOH solution. Calculate the content of (NH4)2SO4 in the sample.
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