serum sample of 3mL is analyzed for nitrogen by modified Kjeldahl. The sample is digested, distilled, and 14mL of standard of HCl is needed to titrate the ammonium borate. The HCl was standardized using 0.30g (NH4)2SO4. 30mL acid was required in titrating for standardization. What is the concentration of nitrogen in the serum (weight/volume)?
serum sample of 3mL is analyzed for nitrogen by modified Kjeldahl. The sample is digested, distilled, and 14mL of standard of HCl is needed to titrate the ammonium borate. The HCl was standardized using 0.30g (NH4)2SO4. 30mL acid was required in titrating for standardization. What is the concentration of nitrogen in the serum (weight/volume)?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter4: Stoichiometry Of Chemical Reactions
Section: Chapter Questions
Problem 91E: A sample of solid calcium hydroxide, Ca(OH)2, is allowed to stand in water until a saturated...
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A serum sample of 3mL is analyzed for nitrogen by modified Kjeldahl. The sample is digested, distilled, and 14mL of standard of HCl is needed to titrate the ammonium borate. The HCl was standardized using 0.30g (NH4)2SO4. 30mL acid was required in titrating for standardization. What is the concentration of nitrogen in the serum (weight/volume)?
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