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A sample is known to contain NaOH (MM 40.02), Na₂CO3 (MM 105.79), NaHCO, (MM 84.01) or a compatible mixture of these, together with some Inert matter. 2.000 g sample was dissolved in water making 100.0 mL solution. A 25.00 mL aliquot of this solution required 47.50 mL of 0.1800 M HCI to reach the methyl orange endpoint. A duplicate aliquot sample required 30.00 ml of the acid to reach the phenolphthalein endpoint. Identify the components of this mixed carbonates and calculate the percentage of the corresponding components in the sample.

A sample is known to contain NaOH (MM 40.02), Na₂CO3 (MM 105.79), NaHCO, (MM 84.01) or a compatible mixture of these, together with some Inert matter. 2.000 g sample was dissolved in water making 100.0 mL solution. A 25.00 mL aliquot of this solution required 47.50 mL of 0.1800 M HCI to reach the methyl orange endpoint. A duplicate aliquot sample required 30.00 ml of the acid to reach the phenolphthalein endpoint. Identify the components of this mixed carbonates and calculate the percentage of the corresponding components in the sample.

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
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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Question 4 A sample is known to contain NaOH (MM 40.02), Na₂CO3 (MM 105.79), NaHCO3 (MM 84.01) or a compatible mixture of these, together with some inert matter. 2.000 g sample was dissolved in water making 100.0 mL solution. A 25.00 mL aliquot of this solution required 47.50 mL of 0.1800 M HCI to reach the methyl orange endpoint. A duplicate aliquot sample required 30.00 ml. of the acid to reach the phenolphthalein endpoint. Identify the components of this mixed carbonates and calculate the percentage of the corresponding components in the sample. A) 7.14% NayCOy & 3.31 % NaHCOy B 7.00 % Na₂CO3 10.2 % Na₂CO3 & 1.50 % NaOH 3.50 % NayCOy & 12.9 % NaHCO, E7.10 % Na₂CO3 & 3.00 % NaOH
Transcribed Image Text:Question 4 A sample is known to contain NaOH (MM 40.02), Na₂CO3 (MM 105.79), NaHCO3 (MM 84.01) or a compatible mixture of these, together with some inert matter. 2.000 g sample was dissolved in water making 100.0 mL solution. A 25.00 mL aliquot of this solution required 47.50 mL of 0.1800 M HCI to reach the methyl orange endpoint. A duplicate aliquot sample required 30.00 ml. of the acid to reach the phenolphthalein endpoint. Identify the components of this mixed carbonates and calculate the percentage of the corresponding components in the sample. A) 7.14% NayCOy & 3.31 % NaHCOy B 7.00 % Na₂CO3 10.2 % Na₂CO3 & 1.50 % NaOH 3.50 % NayCOy & 12.9 % NaHCO, E7.10 % Na₂CO3 & 3.00 % NaOH
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