Which formula can be used to calculate the theoretical yield? (5 points)
(amount of reactant + amount of product) x 100
amount of reactants + amount of products
(actual yield + percent yield) x 100
actual yield + percent yield

The formula can be used to calculate the theoretical yield is (Actual yield ÷ percent yield) × 100

The question is incorrect, the correct question is;

Which formula can be used to calculate the theoretical yield?

Actual yield + percent yield

Amount of reactants + amount of products

(Actual yield ÷ percent yield) × 100

(Amount of reactant ÷ amount of product) × 100

In a reaction, the theoretical yield is the amount of product calculated from the stochiometry of the reaction.

The actual yield is the amount of product obtained at the end of the reaction.

From the formula;

percent yield = actual yield ÷ theoretical yield x 100

Making the theoretical yield subject of the formula we have;

theoretical yield =  (Actual yield ÷ percent yield) × 100

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- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).