A 1.00 g sample of NaOH which has been exposed to the air for some time is dissolve in water and water and diluted to 500.0 ml. 100.0 ml of the solution is titrated with 0.1062 N HCl (MOH indicator) and requires 38.60 ml. A second 100 .0 ml portion is titrated with excess BaCl2, diluted to 250 .0 ml and filtered. 200.0 ml of this filtrate then require 29.62 ml of the HCl ( HpH indicator) . Calculate the % NaOH and Na2CO3 in the original sample.
A 1.00 g sample of NaOH which has been exposed to the air for some time is dissolve in water and water and diluted to 500.0 ml. 100.0 ml of the solution is titrated with 0.1062 N HCl (MOH indicator) and requires 38.60 ml. A second 100 .0 ml portion is titrated with excess BaCl2, diluted to 250 .0 ml and filtered. 200.0 ml of this filtrate then require 29.62 ml of the HCl ( HpH indicator) . Calculate the % NaOH and Na2CO3 in the original sample.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A 1.00 g sample of NaOH which has been exposed to the air for some time is dissolve in water and water and diluted to 500.0 ml. 100.0 ml of the solution is titrated with 0.1062 N HCl (MOH indicator) and requires 38.60 ml. A second 100 .0 ml portion is titrated with excess BaCl2, diluted to 250 .0 ml and filtered. 200.0 ml of this filtrate then require 29.62 ml of the HCl ( HpH indicator) . Calculate the % NaOH and Na2CO3 in the original sample.
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