2 A 4 912 G Sample Of A Petroleum Product Was Burned In A Tube Furnace And The So Produced Was Collected In 3 H2o R 1 (15.81 KiB) Viewed 97 times
2 A 4 912 G Sample Of A Petroleum Product Was Burned In A Tube Furnace And The So Produced Was Collected In 3 H2o R 2 (13.41 KiB) Viewed 97 times
2. A 4.912.g sample of a petroleum product was burned in a tube furnace, and the So; produced was collected in 3% H2O, Reaction 50,+N:0;-+# 80 A 25.00-ml. portion of 0.00873 M NaOH was introduced into the solution of H:SO following which the excess base was back-titrated with 15.17ml of 0.01102 M HCI. Calculate the sulfur concentration in the sample in parts per million.
13-22. The arsenic in a 1.203-e sample of a pesticide was converted to H, O, by suitable treatment. The acid was then neutralized, and 40.00 ml. of 0.05871 M ANO, was added to precipitato the arsenie quantitatively as Ak, 40. The excess At in the filtrate and in the washings from the precipitate was titrated with 9.63 ml of 0.1000 M KSCN, and the reaction was Ag +SCN - AION) Find the percentage of AsOy in the sample
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