Summary:
- Stoichiometry is the calculation of the amount of substances in a chemical reaction from the balanced equation.
- The coefficients for the two reactants (ingredients) are used to make a conversion factor between ham slices and pickles.
- The 8 ham slices will make 4 ham sandwiches.
- With 5 pickles per sandwich, the 20 pickles are used in the 4 sandwiches.