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360Science™: Green Chemistry Analysis of a Reaction

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Students carry out an investigation to determine the mass percent of bicarbonate in solid mixtures of metal bicarbonate and metal carbonate, via thermal decomposition of the solid samples. They will determine the Atom Economy of the reactions involved, and based on these values, they will decide and explain which bicarbonate would be the greener choice as a food additive that generates carbon dioxide gas when exposed to heat.

Concepts

  • Green chemistry
  • Stoichiometry
  • Percent composition
  • Decomposition reaction