Why does the molarity of NaOH usually have to be standardized? When preparing the aqueous NaOH, the exact volume of the NaOH used cannot be measured due to water being hygroscopic. Solid NaOH can react with acid very easily and therefore the initial mass of the base may not be exact. When dissolving the solid NaOH in pure distilled water, the exact volume of the NaOH used cannot be measured due to buret calibration. Solid NaOH can react with water in the air very easily and therefore the initial mass of the base may not be exact.
Why does the molarity of NaOH usually have to be standardized? When preparing the aqueous NaOH, the exact volume of the NaOH used cannot be measured due to water being hygroscopic. Solid NaOH can react with acid very easily and therefore the initial mass of the base may not be exact. When dissolving the solid NaOH in pure distilled water, the exact volume of the NaOH used cannot be measured due to buret calibration. Solid NaOH can react with water in the air very easily and therefore the initial mass of the base may not be exact.
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
Section: Chapter Questions
Problem 113QRT: A 0.250-M sodium sulfate solution is added to a 0.200-M barium nitrate solution and 0.700 g barium...
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Transcribed Image Text:Why does the molarity of NaOH usually have to be standardized?
When preparing the aqueous NaOH, the exact volume of the NaOH used cannot be measured due to water being hygroscopic.
Solid NaOH can react with acid very easily and therefore the initial mass of the base may not be exact.
When dissolving the solid NaOH in pure distilled water, the exact volume of the NaOH used cannot be measured due to buret calibration.
Solid NaOH can react with water in the air very easily and therefore the initial mass of the base may not be exact.
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