A common analogy for limiting reactant problems is to compare it to making a pla

Question

A common analogy for limiting reactant problems is to compare it to making a plate full of sandwiches. Let's say you have guests coming over and you want to whip up a batch of sardine with swiss on rye sandwiches. A good sardine with swiss on rye sandwich should consist of 4 sardines, 2 pieces of cheese, and two slices of bread. We can represent this recipe as a "chemical equation" like this: 4 + 2 + 2 1 Sandwich When you tally all the ingredients in your kitchen, you find you have 44 sardines, 32 pieces of cheese, and 32 pieces of bread. Answer the following questions. How many sandwiches could you make with this many sardines? How many sandwiches could you make with this many pieces of cheese? How many sandwiches could you make with this many slices of bread? How many total sandwiches will you be able to make for your party? Based on this information, which ingredient is "limiting" the number of sandwiches you can make?

Explanation / Answer

Q1) 11 (=44/4)sandwiches can be made from given 44 sardines

Q2) 16 (=32/2) sandwiches can be made from given 32 pieces of Cheese

Q3) 16 (=32/2) sandwiches can be made from given 32 pieces of Bread

Q4) We can make only 11 sandwiches from given amounts of sardines, Cheese and Bread. Here we have limited amounts of sardines available to make sandwiches and other two components are in excess.

Q5) So, sardines is the limiting ingredient.

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