Worksheet: Atom Economy

In this worksheet, we will practice calculating the atom economy for reactions, using the relative formula masses of the reactants and desired products.

Q1:

Which of the following is the best definition for the atom economy of a reaction?

  • AThe ratio of the number of atoms in the products to the number of atoms in the reactants
  • BThe number of atoms in the useful products as a percentage of the number of atoms in the reactants
  • CThe percentage of atoms in the reactants derived from economical sources
  • DThe mass of useful products as a percentage of the mass of reactants
  • EThe percentage of atoms in the reactants that are converted to waste

Q2:

Which of the following reactions has the greatest atom economy for the production of hydrogen?

  • A
  • B
  • C
  • D
  • E

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