27. Solving a chemistry problem
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1. 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
¯C S ¯C S
Pb2 0.15 0.02 0.09 0.01
Ion photometric potentiometric
¯C S ¯C S
Pb2 0.15 0.02 0.09 0.01
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