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Sticky Note
Stoichiometry calculations can only be carried out when?
  1. The reaction is irreversible
  2. There is no side reaction
  3. At least one of the reactants is consumed completely
  4. All of the above
Explanation

Stoichiometry calculations can only be carried out when all of the above are true:

Irreversible reactions:

Stoichiometry calculations are based on the assumption that the reaction proceeds to completion, meaning all reactants are used up to form products. 

No side reactions:

Side reactions would introduce additional products and complicate the calculations. 

At least one reactant consumed completely:

Stoichiometry calculations determine the amount of products formed based on the amount of a limiting reactant. 

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