Question

When a mixture of 129.64 g of CS2 reacts with 172.28 g of CaO in the reaction

CS2 + 2CaO → CO2 + 2CaS

a. Which reactant is the limiting reagent?

b. Which reactant is the excess reagent?

c. How many grams of CO2 is formed in the chemical reaction?

d. How many grams of CaS is formed in the chemical reaction?

e. How many grams is the excess reagent left?



One tootsie roll reacts with four gummy bears to form a tootsie bear according to the following balanced equation: 1 Tr + 4 Gb → 1 TB

• Use the balanced equation to answer the following question. One tootsie roll has a mass of 2.0 grams and one gummy bear has a mass of 1.5 g. How many

tootsie bears can be made with 37.5 grams of tootsie rolls and 48.0 grams of gummy bears?

a. How many tootsie bears can be formed?

b. What is the limiting reactant?

c. What is the excess reactant?

d. How much is left over?

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Answer 1

Answer:

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