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3. The sulfate ion concentration in natural water can be determined by measuring the turbidity that results when an excess of BaCl2 is added to
3. The sulfate ion concentration in natural water can be determined by measuring the turbidity that results when an excess of BaCl2 is added to a measured quantity of the sample. A turbiditimeter, the instrument used for this analysis, was calibrated with a series of standard Na2SO4 solutions. The following data were obtained for the calibration: a. Assume that a linear relationship exists Cx, mg SO42- Turbiditimeter between the instrument reading and /L reading, R concentration. 0.00 0.06 Derive an equation of a line that 5.00 1.48 tells us the relationship of Cy and R. 10.00 2.28 b. What is the concentration of 15.00 3.98 sulfate when the turbidit imeter 20.00 4.61 reading was 3.67? Notes Comments DI DD DO
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