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According to the following calibration data for a chloride ion selective electrode. Sample Conc. pC Avg. E s RSD (M) M (mV) Stock 1.0129E-01 0.99
According to the following calibration data for a chloride ion selective electrode. Sample Conc. pC Avg. E s RSD (M) M (mV) Stock 1.0129E-01 0.99 33.5 0.5 1.5 SD1 1.0129E-02 1.99 106.0 0.0 0.0 SD2 1.0129E-03 2.99 165.0 0.0 0.0 SD3 1.0129E-04 3.99 220.3 0.6 0.3 Unknown? ? 125 0.6 0.5 Coefficients Standard Error Intercept -30 7.659148828 X Variable 57.1 2.801933856 1 The PCI of the unknown solution is: According to the following calibration data for a chloride ion selective electrode. Sample Conc. pC Avg. E s RSD (M) M (mV) Stock 1.0129E-01 0.99 33.5 0.5 1.5 SD1 1.0129E-02 1.99 106.0 0.0 0.0 SD2 1.0129E-03 2.99 165.0 0.0 0.0 SD3 1.0129E-04 3.99 220.3 0.6 0.3 Unknown? ? 125 0.6 0.5 Coefficients Standard Error Intercept -30 7.659148828 X Variable 57.1 2.801933856 1 The PCI of the unknown solution is
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