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a- Accordingly, which one of the two students got th more accurate results ? b- Mention the technical error(s) that could accour for the inaccuracy if present? c- Write the chemical equation for this titration.

a- Accordingly, which one of the two students got th more accurate results ? b- Mention the technical error(s) that could accour for the inaccuracy if present? c- Write the chemical equation for this titration.

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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In a chemistry lab, from a container of Na,co, with 20% impurities, a student prepared a solution by dissolving 1g of this impure Na,co, in 80 ml of D.W. From this sln. , each of the two students ( A & B ) had taken 5ml & titrated them against 0.0944N HCi std. sln. separately. The results were that student A used 10 ml of the std. sln. inorder to reach the end point for his sample titration . While student B used 11 ml. a- Accordingly, which one of the two students got the more accurate results ? b- Mention the technical error(s) that could account for the inaccuracy if present? c- Write the chemical equation for this titration. CamScanner io ä guuaal
Transcribed Image Text:In a chemistry lab, from a container of Na,co, with 20% impurities, a student prepared a solution by dissolving 1g of this impure Na,co, in 80 ml of D.W. From this sln. , each of the two students ( A & B ) had taken 5ml & titrated them against 0.0944N HCi std. sln. separately. The results were that student A used 10 ml of the std. sln. inorder to reach the end point for his sample titration . While student B used 11 ml. a- Accordingly, which one of the two students got the more accurate results ? b- Mention the technical error(s) that could account for the inaccuracy if present? c- Write the chemical equation for this titration. CamScanner io ä guuaal
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