The nitrogen and protein content of a 2.8391 g sample of milk was determined using Kjeldahl analysis. After digestion, the liberated NH3 was distilled in a flask containing 25.00 mL of standard 0.250 M HCI. Titration requires 31.65 ml of standard 0.100 M NaOH to reach the desired endpoint. Calculate the weight percent of N (FW-14.01) and protein in the sample of milk. Report values in 3 SF. % N = % % Protein

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The nitrogen and protein content of a 2.8391 g sample of milk was determined using
Kjeldahl analysis. After digestion, the liberated NH3 was distilled in a flask containing
25.00 mL of standard 0.250 M HCI. Titration requires 31.65 mL of standard 0.100 M
N2OH to reach the desired endpoint. Calculate the weight percent of N (FW=14.01)
and protein in the sample of milk.
Report values in 3 SF.
% N =
%
% Protein =
Transcribed Image Text:The nitrogen and protein content of a 2.8391 g sample of milk was determined using Kjeldahl analysis. After digestion, the liberated NH3 was distilled in a flask containing 25.00 mL of standard 0.250 M HCI. Titration requires 31.65 mL of standard 0.100 M N2OH to reach the desired endpoint. Calculate the weight percent of N (FW=14.01) and protein in the sample of milk. Report values in 3 SF. % N = % % Protein =
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