A 500.0-mg sample of impure sodium bicarbonate (NaHCO3; MM = 84.01 g/mol) is analyzed by titrating the sample with standard 0.1288 M HCI solution, requiring 38.27 mL. The reaction is NaHCO3 + HCI NaCl + H₂O + CO₂ Calculate the percent sodium bicarbonate in the sample. 0.9858% 82.82% 4.929% 0.08282%

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Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.106QP
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A 500.0-mg sample of impure sodium bicarbonate (NaHCO3; MM = 84.01 g/mol) is analyzed by
titrating the sample with standard 0.1288 M HCI solution, requiring 38.27 mL. The reaction is
NaCl + H₂O + CO₂
NaHCO3 + HCI
Calculate the percent sodium bicarbonate in the sample.
0.9858%
82.82%
4.929%
0.08282%
-
Transcribed Image Text:A 500.0-mg sample of impure sodium bicarbonate (NaHCO3; MM = 84.01 g/mol) is analyzed by titrating the sample with standard 0.1288 M HCI solution, requiring 38.27 mL. The reaction is NaCl + H₂O + CO₂ NaHCO3 + HCI Calculate the percent sodium bicarbonate in the sample. 0.9858% 82.82% 4.929% 0.08282% -
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