Tetraethyl lead, Pb(C₂H5)4, in a 25.00 mL sample of jet fuel was shaken with 15.00 mL of 0.02095 M I₂. The reaction is: Pb(C₂H5)4 + I2 = Pb(C₂H5)3I + C₂H₂l After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na₂S₂O3. Calculate the %w/v, in kg/L, of Pb(C₂H5)4 (MM=323.4) contained in the sample. 2.700 x 10-5 % 2.700 x 10-3 % 4.200 x 10-7 % 4.200 x 10-3 %
Tetraethyl lead, Pb(C₂H5)4, in a 25.00 mL sample of jet fuel was shaken with 15.00 mL of 0.02095 M I₂. The reaction is: Pb(C₂H5)4 + I2 = Pb(C₂H5)3I + C₂H₂l After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na₂S₂O3. Calculate the %w/v, in kg/L, of Pb(C₂H5)4 (MM=323.4) contained in the sample. 2.700 x 10-5 % 2.700 x 10-3 % 4.200 x 10-7 % 4.200 x 10-3 %
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 15QAP: When Na3PO4 and Ca(NO3)2 are combined, the following reaction occurs:...
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Tetraethyl lead, Pb(C₂H5)4, in a 25.00 mL sample of jet fuel was shaken with 15.00 mL of 0.02095 M I₂. The reaction is:
Pb(C₂H5)4 + I2 = Pb(C₂H5)3I + C₂H₂l
After the reaction was complete, the unused I2 was titrated with 6.09 mL of 0.03465 M Na₂S₂O3. Calculate the %w/v, in kg/L, of Pb(C₂H5)4 (MM=323.4) contained in the sample.
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2.700 x 10-5 % |
||
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2.700 x 10-3 % |
||
|
4.200 x 10-7 % |
||
|
4.200 x 10-3 % |
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