For numbers 24-25: A solution contains NaHCO3, Na2CO3, and NaOH, either alone or in a permissible combination. Titration of a 50.0 mL portion to a phenolphthalein end point requires 22.1 mL of 0.100 M HCI. A second 50.0-mL aliquot requires 48.4 mL of the HCI when titrated to a bromocresol green end point. 24. What is the composition of the sample? A. NaOH only B. Na2CO3 only C. NaOH and Na2CO3 D. Na2CO3 and NaHCO3 DIGH nol 25. What are the concentrations of the components of the sample? A. 0.0084 M NaOH B. 0.0442 M Na2CO3 C. 0.0084 M NaOH and 0.0442 M Na2CO3 D. 0.0442 M Na2CO3 and 0.0084 M NaHCO3

For numbers 24-25: A solution contains NaHCO3, Na2CO3, and NaOH, either alone or in a permissible combination. Titration of a 50.0 mL portion to a phenolphthalein end point requires 22.1 mL of 0.100 M HCI. A second 50.0-mL aliquot requires 48.4 mL of the HCI when titrated to a bromocresol green end point. 24. What is the composition of the sample? A. NaOH only B. Na2CO3 only C. NaOH and Na2CO3 D. Na2CO3 and NaHCO3 DIGH nol 25. What are the concentrations of the components of the sample? A. 0.0084 M NaOH B. 0.0442 M Na2CO3 C. 0.0084 M NaOH and 0.0442 M Na2CO3 D. 0.0442 M Na2CO3 and 0.0084 M NaHCO3

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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Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.

Question

For numbers 24-25: A solution contains NaHCO3, Na2CO3, and NaOH, either alone or in a permissible
combination. Titration of a 50.0 mL portion to a phenolphthalein end point requires 22.1 mL of 0.100 M HCI.
A second 50.0-mL aliquot requires 48.4 mL of the HCI when titrated to a bromocresol green end point.
24. What is the composition of the sample?
A. NaOH only
B. Na2CO3 only
C. NaOH and Na2CO3
D. Na₂CO3 and NaHCO3
nol
25. What are the concentrations of the components of the sample?
A. 0.0084 M NaOH
B. 0.0442 M Na2CO3
C. 0.0084 M NaOH and 0.0442 M Na2CO3
D. 0.0442 M Na2CO3 and 0.0084 M NaHCO3

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