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This percent yield calculator helps to know the efficiency of the chemical reactions. It calculates the percent yield of your chemical reaction, the ratio of the actual amount of product to the theoretical yield. You can also use it to find the actual yield of the chemical reactions.
In chemistry, percent yield is said to be the percent ratio of actual yield to the theoretical yield. You can calculate percent yield by using the simple percent yield equation. Remember that if the actual and the expected outcomes are the same, then the percent yield is 100%. Typically, the percent yield is lower than 100% because the actual yield is often less than the theoretical value. However, in some cases, the percentage or % yield can exceed 100%.
Possible Scenarios:
Keep in mind, the percent yield is always a positive value. Sometimes, percent yield is also referred to as ‘Percentage Yield.’
Percent Yield Formula:
Percent Yield = (Actual Yield/Theoretical Yield) x 100%
Where:
Note:
To use the percentage yield formula, you have to make sure that your both yield values are in the same units. But, when using our percent yield calculator no need to select the same unit for both values. Just enter your values and corresponding units and get instant results!
Several factors can significantly influence the percentage yield of a chemical reaction, but some of them are:
If the maximum amount of product is 19 grams, and (MgCO3) Magnesium carbonate decomposed to form 15 grams of MgO in the actual experiment, then what is the percent yield of MgO?
MgCO3 →MgO + CO2
Solution:
Given that:
So, all you need to put the values into the percent yield formula:
Percent Yield = (15 g MgO/19 g MgO) x 100% = 79 %
So, the percent yield of magnesium oxide = 79 %
The actual yield is said to be the measured quantity of a product that is obtained from a chemical reaction.
Here are the steps:
Actual Yield Formula:
Percent Yield x Theoretical Yield
For instant results, try our calculator as it can also be used as the actual yield calculator online. Simply choose the actual yield option from the drop menu, provide the required input values, and get the actual yield of a reaction.
This chemistry percent yield calculator contains a user-friendly interface for the ease of the users, you just have to stick to the following steps to use it accurately:
Typically, a reaction is given a maximum percentage yield; as the name reveals, this is said to be the highest percentage of theoretical product that can practically be obtained. A reaction yield of 90 percent of the theoretical possible would be considered excellent. And, an 80% yield would be very good. Also, a yield of 50% is considered adequate.
Usually, percent yields are understandably less than 100% as we discussed above. However, percent yields can be greater than 100% if the measured product of the reaction has impurities that cause its mass to be greater than it actually would be if the product was pure.
Percent yield is said to be very important in the manufacture of products. It takes a lot of time and money to improve the percent yield for chemical production. However, when a complex amount of chemicals are synthesized by many different reactions, one step with a low % yield can quickly cause a large waste of reactants and unnecessary expense.
Generally, a high percent yield is considered good, here is why:
However, according to some studies, a very high or very low yield might indicate potential issues:
Percent yield is a useful way to determine how much of a reactant has been successfully converted to a product in a chemical reaction. Remember that if none of the reactants ends up as products, then the percentage yield is said to be 0%.
This chemical equation percent yield calculator is created for educational and informational purposes only. It should not be considered a substitute for professional scientific analysis. The actual experimental results can vary because of a wide range of factors, including reaction conditions, experimental errors, etc.
References:
From Wikipedia, the free encyclopedia - percentage yield (or fractional yield or relative yield) in chemical reactions.
The source of WikiHow provided: Education about Chemistry Solutions - how to calculate percent yield in chemistry.
From the source of Study – College Chemistry: Tutoring Solution/Science Courses – percent yield formula example.
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