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15 Nov 2019
a. Report the exact concentration of your AgNO3 standard solution (using the mass measured), to the appropriate number of significant figures. b. Tabulate the titration volumes, molarities, and sample type. Calculate and report the mean and median concentrations. Also, report the range of the values and the relative standard deviation. Comment on the precision of your results in a clear manner. 2. Conductometric Method a. Make plots of conductance (as ordinate) versus volume of titrant, using computer software, if possible, for each environmental sample. b. Draw the best straight lines through the points on both sides of the endpoint, and estimate the equivalence point from the intersection of these lines. C. Calculate the chloride ion concentrations for each of the three samples, and the mean value (if you performed more than 1 titration). d. Calculate the range of the three results.
a. Report the exact concentration of your AgNO3 standard solution (using the mass measured), to the appropriate number of significant figures. b. Tabulate the titration volumes, molarities, and sample type. Calculate and report the mean and median concentrations. Also, report the range of the values and the relative standard deviation. Comment on the precision of your results in a clear manner. 2. Conductometric Method a. Make plots of conductance (as ordinate) versus volume of titrant, using computer software, if possible, for each environmental sample. b. Draw the best straight lines through the points on both sides of the endpoint, and estimate the equivalence point from the intersection of these lines. C. Calculate the chloride ion concentrations for each of the three samples, and the mean value (if you performed more than 1 titration). d. Calculate the range of the three results.