It was found that 25 ml of a sodium hydroxide solution, which perliter contains 4 g of commercial caustic soda, is equivalent to 12 ml of0.2N sufuric acid. Calculate the percentage of impurities in commercial caustic soda. Note that the molecular weight of NaOH is equat to 40 g/mole

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section13.6: Expressing Solution Composition
Problem 13.12E
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It was found that 25 ml of a sodium hydroxide solution, which perliter contains 4 g of commercial caustic soda, is equivalent to 12 ml of0.2N sufuric acid. Calculate the percentage of impurities in commercial caustic soda. Note that the molecular weight of NaOH is equat to 40 g/mole.
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