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The tetraethyl lead Pb(C2H5)4 in a 25.00 mL sample of aviation gasoline was shaken with 15.00...

The tetraethyl lead Pb(C2H5)4 in a 25.00 mL sample of aviation gasoline was shaken with 15.00 mL of 0.02188 M I2. (Hint: one mole of I2 reacts with one mole of the tetraethyl lead). After the reaction was complete, the unused I2 was titrated with 6.03 mL of 0.02960 M thiosulfate solution. Calculate the weight of Pb(C2H5)4(MW = 323.4 g/mol) in each liter of gasoline.

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