17. Solving a chemistry problem
8. Dissolve 0.649 g of sodium sulfate and dilute the solution to 100.0 ml. From 25.0 ml of the resulting solution, sodium was precipitated with zinccuranyl acetate in the form of NaZn(UO2)3(OAc)3*6H2O. After filtration and washing, the precipitate was dissolved in acid, the uranium was reduced to U2+ and converted to U4+ after purging with air, then titrated with 0.108 N Ce4+ solution, using up 33.3 ml. Calculate the % content of Na2SO4 in the sample.
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