Question

Efficiency of a chemical reaction can be checked by calculating???

Answer 1

Answer:

percentage yield

Explanation:

percentage yield =(actual yield/theoretical yield) multiply by 100

Answer 2

Answer:

The efficiency of a chemical reaction can be checked by calculating the percentage yield of the reaction.

Explanation:

Percentage yield or percent yield:-

• Percent yield is the percentage ratio of experimental yield to the theoretical yield.
• Percent yield is calculated as experimental yield (E) divided by theoretical yield (T) multiplied by 100.

      $Percentage\;\; yield =\frac{E}{T} \times 100$

• If the experimental and theoretical yield have the same value. It means percent yield is 100%.

• Theoretical yield is the amount of the product calculated from the limiting reactant among the products. So the limiting reactant is the reactant in the chemical reaction which  lowers the amount of product that can be formed.
• Theoretical yield is the amount of product calculated from the balanced equation by using the limiting reactant.

• The actual yield or experimental yield is the actual amount produced when the reaction is carried out.

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