Enter the activity of a substance and the mole fraction of the substance in the mixture to determine the activity coefficient.
Activity Coefficient Formula
The following formula is used to calculate an activity coefficient.
y = a/x
- Where y is the activity coefficient
- a is the total activity
- x is the mole fraction of the substance
Activity Coefficient Definition
An activity coefficient is defined as the ratio of total activity to the mole fraction of a substance in a mixture of 2 or more chemical substances.
Activity Coefficient Example
How to calculate an activity coefficient?
- First, determine the total activity.
Calculate the total activity within the mixture.
- Next, determine the mole fraction.
Calculate the mole fraction of the substance within the overall mixture.
- Finally, calculate the activity coefficient.
Using the formula above, calculate the activity coefficient.
FAQ
What is an activity coefficient?
An activity coefficient is a term used to measure the deviations in chemical mixtures from the ideal mixture.
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