The tetraethyl lead, Pb(C2H5)4 in a 25.00 mL sample of gasoline was shaken with 15.00 mL of 0.02095 M I2. The reaction is Pb(C2H5)4 + I2 → Pb(C2H5)3I + C2H5I After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na2S2O3. I2 + 2Na2S2O3 → 2NaI + Na2S4O6 Calculate the weight in milligrams of Pb(C2H5)4 (323.4 g/mol) in each milliliter of the gasoline. A. 8.100 mg/ml B. 5.400 mg/ml C. 2.700 mg/ml D.10.80 mg/ml
The tetraethyl lead, Pb(C2H5)4 in a 25.00 mL sample of gasoline was shaken with 15.00 mL of 0.02095 M I2. The reaction is Pb(C2H5)4 + I2 → Pb(C2H5)3I + C2H5I After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na2S2O3. I2 + 2Na2S2O3 → 2NaI + Na2S4O6 Calculate the weight in milligrams of Pb(C2H5)4 (323.4 g/mol) in each milliliter of the gasoline. A. 8.100 mg/ml B. 5.400 mg/ml C. 2.700 mg/ml D.10.80 mg/ml
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 59QAP: In order to determine the purity of ammonium sulfate, a sample with a mass of 0.850 g is dissolved...
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The tetraethyl lead, Pb(C2H5)4 in a 25.00 mL sample of gasoline was shaken with 15.00 mL of 0.02095 M I2. The reaction is Pb(C2H5)4 + I2 → Pb(C2H5)3I + C2H5I
After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na2S2O3. I2 + 2Na2S2O3 → 2NaI + Na2S4O6
Calculate the weight in milligrams of Pb(C2H5)4 (323.4 g/mol) in each milliliter of the gasoline.
A. 8.100 mg/ml
B. 5.400 mg/ml
C. 2.700 mg/ml
D.10.80 mg/ml
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