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Limiting reagents

Limiting reagents. Musical “chairs”. 4 volunteers For each situation What is the limiting “reactant” What is the excess “reactant” How much of the excess “reactant” is present. Problem 1: H ints. Limiting reagent? Find total number of boats made by each

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Limiting reagents

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  1. Limiting reagents

  2. Musical “chairs” • 4 volunteers • For each situation • What is the limiting “reactant” • What is the excess “reactant” • How much of the excess “reactant” is present.

  3. Problem 1: Hints Limiting reagent? Find total number of boats made by each Which yields the lowest number of boats? Excess reagents? Any that have some left over. How much? Initial-Final= left over

  4. Problem 2: Hints • Same process as before, but now you have to convert from 1 dozen nori, to pieces of nori. • Limiting Reagent • How many batches, or pieces does each “reagent” allow you to make. • Excess Reagent • Everything that is left over • To find left overs take Initial and subtract how much of each thing was used.

  5. Problem 3: Hints • Limiting Reagent • Same process as before but now instead of number of items, you’ll use moles of reagents. • Convert all quantities to moles. • Solve for amount of product made (note: you may also do this by solving for amount of other reactants needed, most people prefer the former, I will show you both this time and from then on out show you only solving for reactants) • Excess Reagent • Initial- final • You can do in either moles or grams, personal preference. Just be sure to subtract out how much was reacted of the excess reagent rather than solving only for how much you reacted.

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