You want to determine the protein content in milk with the Kjeldahl method. You

Question

You want to determine the protein content in milk with the Kjeldahl method. You take 100 g whole milk and use 100 mL of 0.5 M hydrochloric acid to collect ammonia. You needed 34.50 mL of 0.3512 M NaOH for the back-titration. Calculate the percentage of crude protein in the sample (CP = 6.38)! Answer A.   2.38 % B.   10.78 % C.   3.38 % D.   5.38 % Please show me how to do it You want to determine the protein content in milk with the Kjeldahl method. You take 100 g whole milk and use 100 mL of 0.5 M hydrochloric acid to collect ammonia. You needed 34.50 mL of 0.3512 M NaOH for the back-titration. Calculate the percentage of crude protein in the sample (CP = 6.38)! You want to determine the protein content in milk with the Kjeldahl method. You take 100 g whole milk and use 100 mL of 0.5 M hydrochloric acid to collect ammonia. You needed 34.50 mL of 0.3512 M NaOH for the back-titration. Calculate the percentage of crude protein in the sample (CP = 6.38)!   2.38 %   10.78 %   3.38 %   5.38 % Please show me how to do it A.   2.38 % B.   10.78 % C.   3.38 % D.   5.38 % Please show me how to do it

Explanation / Answer

3.38%

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