A 0.937-g sample containing Ca2+ was dissolved to produce a 500-mL stock solution. A 50-mL aliquot was then obtained and titrated with 0.029 M EDTA. A volume of 23.15 mL was required to reach the endpoint. Calculate the amount of calcium (in %CaCO3) in the sample. (MW (g/mol): EDTA=292.24; CaCO3 = 100; Ca=40) Express your answer with 2 decimal places and do not encode the units.
A 0.937-g sample containing Ca2+ was dissolved to produce a 500-mL stock solution. A 50-mL aliquot was then obtained and titrated with 0.029 M EDTA. A volume of 23.15 mL was required to reach the endpoint. Calculate the amount of calcium (in %CaCO3) in the sample. (MW (g/mol): EDTA=292.24; CaCO3 = 100; Ca=40) Express your answer with 2 decimal places and do not encode the units.
Chapter16: Applications Of Neutralization Titrations
Section: Chapter Questions
Problem 16.20QAP
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