120. Solving a chemistry problem
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120. Solving a chemistry problem
1. In four aliquots of the solution, the mass of As2O3 was determined iodometrically: 0.1270; 0.1289; 0.1282g. Calculate the limits of the confidence interval of the average value of the mass of As2O3 at P = 0.95 and the relative error of the analysis.
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