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A 0.981-g sample of canned tuna was analyzed by the Kjeldahl method. A volume of 15.48 mL of 0.105 M HCI was required to titrate the liberated ammonia. Calculate the percentage of protein in the sample. NH3 + HCI →→→→ NH4CI The molar mass of N is 14.007 g/mol. Input only the numerical value. Express your answer to 2 decimal digits.

A 0.981-g sample of canned tuna was analyzed by the Kjeldahl method. A volume of 15.48 mL of 0.105 M HCI was required to titrate the liberated ammonia. Calculate the percentage of protein in the sample. NH3 + HCI →→→→ NH4CI The molar mass of N is 14.007 g/mol. Input only the numerical value. Express your answer to 2 decimal digits.

Chemistry by OpenStax (2015-05-04)
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 79E: Titration of a 20.0-mL sample of acid rain required 1.7 mL of 0.08 11 M NaOH to reach the end point....
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A 0.981-g sample of canned tuna was analyzed by the Kjeldahl method. A volume of 15.48 mL of 0.105 M HCI was required to titrate the liberated ammonia. Calculate the percentage of protein in the sample. NH3 + HCI →→→ NH4CI The molar mass of N is 14.007 g/mol. Input only the numerical value. Express your answer to 2 decimal digits.
Transcribed Image Text:A 0.981-g sample of canned tuna was analyzed by the Kjeldahl method. A volume of 15.48 mL of 0.105 M HCI was required to titrate the liberated ammonia. Calculate the percentage of protein in the sample. NH3 + HCI →→→ NH4CI The molar mass of N is 14.007 g/mol. Input only the numerical value. Express your answer to 2 decimal digits.
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