Question

A new candy called a pepper scotch is prepared by reacting one butterscotch with a peppermint...

A new candy called a pepper scotch is prepared by reacting one butterscotch with a peppermint according to the following balanced equation, 1 Bs+ 1P -> 1PS.

a. HOw many pepperscotches can be made with 50.0 g of butterscotch and 48.0 g of peppermints? Show calculations.

b. What is the limiting reactant? show calculations.

Homework Answers

Answer #1

1Bs + 1P 1PS

(a) From the given equation we can say that 1 mole of butterscotch is reacting with 1 mole of peppermint to give 1 mole of product.

Therefore Bs and P are reacting in 1:1 ratio.

Here given Bs = 50g and P = 48g, we can assume that 48g of P reacted with 48g of Bs to give 48g of PS.

(b) Limiting reagent in a reaction is the substance which ran out first and limits the concentration of product. Limiting reagent is totally consumed in the reaction.

In this reaction, Amount of Bs > Amount of P.

Therefore peppermints will be consumed first. Left Bs will be the excess reagent and remains unreacted

Peppermint is the limiting reagent

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