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how to calculate percentage yield gcse. This lesson has been designed for GCSE students and includes an engaging lesson presentation and a skills check worksheet. Copper oxide reacts with sulfuric acid to make copper sulfate and water.
How To Calculate The Percentage Yield Of A Reaction How To Wiki 89 from howtowiki89.blogspot.com
100 yield because the reaction may not go to completion because it may be reversible or some of the product may be lost when it is separated from the. Calculating percentage yield The percentage yield is calculated using this equation. Calculate the number of moles of Fe - this is the pure known chemical and the one to convert into moles.
Some reactants may be left behind in the equipment.
Copper oxide reacts with sulfuric acid to make copper sulfate and water. We then look at how to calculate the percentage yield. Even though no atoms are gained or lost in a chemical reaction law of conservation of mass unfortunately it is not always possible to obtain the calculated amount of a product ie. Percentage yield frac actual yield theoretical yield times 100 The percentage yield can vary.
