The concept of determining which reactant is limiting and which is in excess is

Question

The concept of determining which reactant is limiting and which is in excess is akin to determining the number of sandwiches thaí can be made from a set number of ingredients Assuming that a cheese sandwich consists of 2 slices of bread and 3 slices of cheese, determine the number of whole cheese sandwiches that can be prepared from 52 slices of bread and 69 slices of cheese. sandwiches Which of the two ingredients limits the number of sandwiches that can be made? What quantity of the ingredient in excess remains? Number O O slices of cheese slices of bread slices

Explanation / Answer

EAch sanwich requires 2 slices of bread and 3 slices of cheese

So number of sandwitched that can be made from 52 bread slices = 52 / 2 = 26 sandwiches

Number of sandwiches from 69 slices of cheese = 69 / 3 = 23 sandwiches

So overall number of sandwiches that can be made = 23

Since cheese slices are less , it is the limiting ingredient.

23 sandwiches will utilise 23 x 2 = 46 bread slices

So excess bread remained = 52 - 46 = 6 bread slices

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