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The amount of nitrogen in an organic substance can be determined by an analytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia. The ammonia, which is a weak base, can be neutralized with hydrochloric acid, as described by the equation NH, (aq) + HCl(aq) NH,CI(aq) If 18.0 mL of 0.150 M HCI(aq) is needed to neutralize all the NH, (g) from a 2.25 g sample of organic material, calculate the mass percentage of nitrogen in the sample. mass percentage: %

The amount of nitrogen in an organic substance can be determined by an analytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia. The ammonia, which is a weak base, can be neutralized with hydrochloric acid, as described by the equation NH, (aq) + HCl(aq) NH,CI(aq) If 18.0 mL of 0.150 M HCI(aq) is needed to neutralize all the NH, (g) from a 2.25 g sample of organic material, calculate the mass percentage of nitrogen in the sample. mass percentage: %

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The amount of nitrogen in an organic substance can be determined by an analytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia. The ammonia, which is a weak base, can be neutralized with hydrochloric acid, as described by the equation NH, (aq) + HCl(aq) NH,Cl(aq) If 18.0 mL of 0.150 M HC1(aq) is needed to neutralize all the NH,(g) from a 2.25 g sample of organic material, calculate the mass percentage of nitrogen in the sample. mass percentage: %
Transcribed Image Text:The amount of nitrogen in an organic substance can be determined by an analytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia. The ammonia, which is a weak base, can be neutralized with hydrochloric acid, as described by the equation NH, (aq) + HCl(aq) NH,Cl(aq) If 18.0 mL of 0.150 M HC1(aq) is needed to neutralize all the NH,(g) from a 2.25 g sample of organic material, calculate the mass percentage of nitrogen in the sample. mass percentage: %
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