A 15.00 g sample containing mixed alkali and other inert components was dissolved and diluted to 300 mL with water. A 20 mL aliquot was titrated with 5.02 mL of 0.5352 M HCI to reach PHP endpoint. Another 20 mL aliquot was titrated to the BCG endpoint, using up 18.87 ml of titrant in the process. Identify the alkali components and their percent weight.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.19QAP
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A 15.00 g sample containing mixed alkali and other inert components was dissolved and
diluted to 300 mL with water. A 20 ml, aliquot was titrated with 5.02 mL of 0.5352 M HCI
to reach PHP endpoint. Another 20 mL aliquot was titrated to the BCG endpoint, using up
18.87 mL of titrant in the process.
Identify the alkali components and their percent weight.
Transcribed Image Text:A 15.00 g sample containing mixed alkali and other inert components was dissolved and diluted to 300 mL with water. A 20 ml, aliquot was titrated with 5.02 mL of 0.5352 M HCI to reach PHP endpoint. Another 20 mL aliquot was titrated to the BCG endpoint, using up 18.87 mL of titrant in the process. Identify the alkali components and their percent weight.
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