You were calculating the concentration of EDTA (MW 372.24 g/mol; Q = 98.45%). You weighed out 8.6731 g of dried EDTA into a 450.13 mL clean volumetric flask. You showed your lab instructor your calculated EDTA concentration of (no units in standard notation with proper number of significant figures) A M. You prepared your limestone sample (1.7737 g) by dissolving it in HCl, gently heating and then filling to the line in the 450.13 mL volumetric flask. You lab partner used a 12.55 mL volumetric pipette for the limestone sample, and from the titration you recorded 25.60 mL (wine colour), 25.63 mL (purple colour). 25.67 mL (blue colour), 25.72 mL (blue colour). The P/F ratio for this calculation is (in standard notation and to the proper number of significant figures) A/ and the % Mg in the limestone sample is (answer in standard notation with no units to the proper %
You were calculating the concentration of EDTA (MW 372.24 g/mol; Q = 98.45%). You weighed out 8.6731 g of dried EDTA into a 450.13 mL clean volumetric flask. You showed your lab instructor your calculated EDTA concentration of (no units in standard notation with proper number of significant figures) A M. You prepared your limestone sample (1.7737 g) by dissolving it in HCl, gently heating and then filling to the line in the 450.13 mL volumetric flask. You lab partner used a 12.55 mL volumetric pipette for the limestone sample, and from the titration you recorded 25.60 mL (wine colour), 25.63 mL (purple colour). 25.67 mL (blue colour), 25.72 mL (blue colour). The P/F ratio for this calculation is (in standard notation and to the proper number of significant figures) A/ and the % Mg in the limestone sample is (answer in standard notation with no units to the proper %
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.195QP
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