A 282.0 mg sample of butter was warmed and shaken vigorously with water. The undissolved material was removed by filtering followed by acidification. The acidified solution was treated with 19.31 mL of 0.1785 M AGNO3 to precipitate the chloride ion. After the addition of a small amount of nitrobenzene, 13.03 mL of 0.1302 M KSCN was required to back titrate excess Ag*. Calculate of %w/w NacI (FW 58.5) in the butter. Express answer in 2 decimal places. Answer:
A 282.0 mg sample of butter was warmed and shaken vigorously with water. The undissolved material was removed by filtering followed by acidification. The acidified solution was treated with 19.31 mL of 0.1785 M AGNO3 to precipitate the chloride ion. After the addition of a small amount of nitrobenzene, 13.03 mL of 0.1302 M KSCN was required to back titrate excess Ag*. Calculate of %w/w NacI (FW 58.5) in the butter. Express answer in 2 decimal places. Answer:
Chapter20: Applications Of Oxidation/reduction Titrations
Section: Chapter Questions
Problem 20.26QAP
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