Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3 b. Determine the composition anf amounts (in w/w) of each components of the mixture. Put 0 for the component which is no present. b1. % NaOH b2. %NaHCO3 b3. %Na2CO3

Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3 b. Determine the composition anf amounts (in w/w) of each components of the mixture. Put 0 for the component which is no present. b1. % NaOH b2. %NaHCO3 b3. %Na2CO3

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 100QRT

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Question

A mixture may contain NaOH, NaHCO3, Na2CO3 or any compatible mixture of these. A sample weighing 0.245 g requires 10.30 mL of 0.0990 N HCl to reach a phenolpthalein endpoint and an additional 26.25 mL to reacha bromcresol green endpoint.

a. What are the components of the mixture? Put Yes for the components and NO if the component is not present.
a1. NaOH

a2. NaHCO3

a3. Na2CO3

b. Determine the composition anf amounts (in w/w) of each components of the mixture. Put 0 for the component which is no present.

b1. % NaOH

b2. %NaHCO3

b3. %Na2CO3

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