102 Задачка по химии №10 24877

4. Ion concentrations were determined in 2 ways: photometrically and potentiometrically. Give an assessment of the convergence of the analysis results if the number of measurements is n=5 (α=0.95).

Ion photometric potentiometric
S S
NO3- 0.009 0.001 0.008 0.002

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