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faltersainse [42]
3 years ago
15

Which term is used to describe the reactant that is used up completely and controls the amount of product that can be produced d

uring a chemical reaction? Catalytic reactant Excess reactant Limiting reactant Theoretical reactant
Chemistry
1 answer:
givi [52]3 years ago
6 0

Answer: Option (c) is the correct answer.

Explanation:

A limiting reagent is defined as a reagent that completely gets consumed in a chemical reaction. A limiting reagent limits the formation of products.

For example, we have given 5 mol of A and the reaction is 2A + 4B \rightarrow 2AB

Whereas when 4 mol B will react with 2 mol of A. Hence, 8 mol of B will react with 4 mol A as follows.

                        \frac{2}{4} \times 8 = 4 mol

As, the given moles of A is more than the required moles. Thus, it is considered as an excess reagent.

Hence, B is a limiting reagent because it limits the formation of products.

Thus, we can conclude that limiting reactant is the term used to describe the reactant that is used up completely and controls the amount of product that can be produced during a chemical reaction.  

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The hydrochloride form of cocaine has a solubility of 1.00 g in 0.400 mL water. Calculate the molarity of a saturated solution o
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Answer:

The molarity of the solution is 7.4 mol/L

Explanation:

From the question above

0.400 ml of water contains 1.00 g of hydrochloride form of cocaine

Therefore 1000 ml of water will contain x g of hydrochloride form of cocaine

                    x = 1000 / 0.400

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Mole of hydrochloride form of cocaine = 2500/339.8

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molarity = 7.4 /1

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What would the molecular formula be if lithium and sulfur reacted to form a neutral compound?
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D, Li2S

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