The Kjeldahl method was used to analyse the nitrogen content in 0.6723 g of food sample. The amount of liberated NH3 in the sample was reacted with 50.0 mL of 0.1050 M HCl. The excess acid required 12.35 mL back titration with 0.0915 M NaOH. Calculate the % nitrogen in the sample.
The Kjeldahl method was used to analyse the nitrogen content in 0.6723 g of food sample. The amount of liberated NH3 in the sample was reacted with 50.0 mL of 0.1050 M HCl. The excess acid required 12.35 mL back titration with 0.0915 M NaOH. Calculate the % nitrogen in the sample.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.9: Spectrophotometry
Problem 3.1ACP
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The Kjeldahl method was used to analyse the nitrogen content in 0.6723 g of food sample. The amount of liberated NH3 in the sample was reacted with 50.0 mL of 0.1050 M HCl. The excess acid required 12.35 mL back titration with 0.0915 M NaOH. Calculate the % nitrogen in the sample.
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