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how do you calculate percent yield in organic chemistry. This ScienceStruck article explains how to calculate the percent recovery of any purified substance. The difference between percent yield and percent recovery is that percent yield is calculated as a ratio between actual yield and theoretical yield whereas percent recovery is calculated as the ratio between the pure compound and initial compound.
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KnownActual yield 149 gTheoretical yield 157. The two reagents are rarely available in perfectly balanced amounts. When you measure the amount of that reactant that you will be using you can calculate the amount of product.
Use the mass of product obtained to determine the percent yield.
Balance The Chemical Equation. Percent yield grams of product obtained X 100 theoretical yield in grams. Theoretical yieldg amount of LRMW of P moles of P moles of LR LR limiting reagent P product MW molecular weight in gmol Percent yield purified percent yield amount of P g theoretical yield g 100. It also determines their efficiency.
