9.46. A sample consisting of Na;CO3, NaOH, and inert matter weighs 1.179 g. It is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the oln, 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,? N-HCO
9.46. A sample consisting of Na;CO3, NaOH, and inert matter weighs 1.179 g. It is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the oln, 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,? N-HCO
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 93QRT: When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence...
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What is the solution to this problem? Given answer is
24.51% NaOH ; 64.95% Na2CO3
![9.46. A sample consisting of Na;CO3, NaOH, and inert matter weighs 1.179 g.
It is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the
oln, 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,?
N-HCO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F981b071b-01a3-442b-80d8-9df22992c4dd%2F15aecf83-8256-4217-b27e-7b7220e554a3%2Fa41qd82.jpeg&w=3840&q=75)
Transcribed Image Text:9.46. A sample consisting of Na;CO3, NaOH, and inert matter weighs 1.179 g.
It is titrated with 0.3000 N HCl with phenolphthalein as the indicator, and the
oln, 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,?
N-HCO
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