6. Solving a chemistry problem
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6. Solving a chemistry problem
14. Ion concentrations were determined in 2 ways: photocolorimetrically and potentiometrically. Give an assessment of the convergence of the results of the analysis, if the number of measurements n=5 (α=0.95).
Ion photocolorimetric potentiometric
C S C S
NO2- 3.15 0.031 2.96 0.023
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