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This laboratory report details an experiment to determine the calcium carbonate content in eggshells through back titration. Eggshells were ground and reacted with excess hydrochloric acid. The unreacted acid was then back-titrated with sodium hydroxide solution. Calculations were performed to determine the concentration of sodium hydroxide and hydrochloric acid, and the moles of calcium carbonate reacted. The average calcium carbonate content of the eggshells was calculated to be 61.5%, with a 35.26% perce

Author

Cassy

Language

EN