31. Решение задачи по химии №003 113

2. In four parallel samples of the NH4Cl solution, the following values of the mass of NH3 (in grams) were determined: 0.1065; 0.1082; 0.1074; 0.1090. Calculate the boundaries of the confidence interval of the mass of NH3 and the relative error of mass measurement at a confidence level Р=0.95.

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