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9.46. A sample consisting of Na;CO3, NAOH, and inert matter weighs 1.179 g. Ir is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the soln, becomes colorless after the addn. of 48.16 ml. Methyl orange is then added and 24.08 ml more of the acid are needed for the color change. What is the percentage of NaOH and of Na,CO,?

9.46. A sample consisting of Na;CO3, NAOH, and inert matter weighs 1.179 g. Ir is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the soln, becomes colorless after the addn. of 48.16 ml. Methyl orange is then added and 24.08 ml more of the acid are needed for the color change. What is the percentage of NaOH and of Na,CO,?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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24.51% NaOH ; 64.95%Na2CO3

9.46. A sample consisting of Na;CO3, NAOH, and inert matter weighs 1.179 g. Ir is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the soln, becomes colorless after the addn. of 48.16 ml. Methyl orange is then added and 24.08 ml more of the acid are needed for the color change. What is the percentage of NaOH and of Na,CO,?
Transcribed Image Text:9.46. A sample consisting of Na;CO3, NAOH, and inert matter weighs 1.179 g. Ir is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the soln, becomes colorless after the addn. of 48.16 ml. Methyl orange is then added and 24.08 ml more of the acid are needed for the color change. What is the percentage of NaOH and of Na,CO,?
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