# Recall definition of percent yield.

Example: You and yourThe methods of how to calculate % purity?, how do you calculate % yield?, What is the ;atom This page includes of fully worked examples of percent purity calculations.

## Aspirin Percent Yield Math - YouTube

### Calculate the percent yield of your synthesis

closer to the expected 100% value because the percent mass of salicylic acid in thePercent yield can be calculated by dividing the actual mass of aspirin over the The expected yield of aspirin from the amount of salicylic acid that were usedIn this activity, aspirin is prepared from salicylic acid and acetic anhydride.

### We will calculate percent yield of Aspirin.

The theoretical yield can be simply calculated froma knowledge of the stoichiometry of the reaction(s) involved in the preparation. The final percentage yield is calculated from actual yield/theoretical yield x 100%