175.0 mL of 0.2015 M nitric acid was added to 1.4213 g of impure calcium carbonate sample. The excessacid was back titrated with 72.5mL of 0.1152 M sodium hydroxide to reach the endpoint. Calculate for the percent calcium carbonate? (MM of CaCO3= 100.0869 g/mol) 2HNO3 + CaCO3 → Ca(NO3)2 + H2O + CO2 HNO3 + NaOH → NaNO3 + H2O

175.0 mL of 0.2015 M nitric acid was added to 1.4213 g of impure calcium carbonate sample. The excessacid was back titrated with 72.5mL of 0.1152 M sodium hydroxide to reach the endpoint. Calculate for the percent calcium carbonate? (MM of CaCO3= 100.0869 g/mol) 2HNO3 + CaCO3 → Ca(NO3)2 + H2O + CO2 HNO3 + NaOH → NaNO3 + H2O

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.24QAP

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