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A sample containing the amino acid alanine,CH3CH(NH2)COOH, plus inert matter isanalyzedby the Kjeldahl method. A 2.00-g sample is digested, theNH3 is distilled and collected in 50.0 mL of 0.150 MH2SO4, and a volume of 9.0 mL of 0.100 M NaOHis required for back-titration. Calculate the percent alanine inthe sample.
A sample containing the amino acid alanine,CH3CH(NH2)COOH, plus inert matter isanalyzedby the Kjeldahl method. A 2.00-g sample is digested, theNH3 is distilled and collected in 50.0 mL of 0.150 MH2SO4, and a volume of 9.0 mL of 0.100 M NaOHis required for back-titration. Calculate the percent alanine inthe sample.
Jarrod RobelLv2
17 Dec 2019
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