What is the formula to calculate normality?
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The question is asking for the formula to calculate normality in chemistry. It provides multiple-choice answers, indicating that the user is looking for the correct mathematical relationship regarding normality calculations.
Answer
Normality = Number of gram equivalents / Volume of solution in liters.
The formula to calculate normality is: Normality (N) = Number of gram equivalents of solute / Volume of solution in liters.
Answer for screen readers
The formula to calculate normality is: Normality (N) = Number of gram equivalents of solute / Volume of solution in liters.
More Information
Normality is a measure of concentration equivalent to the molar concentration (molarity) multiplied by the equivalent factor (number of reactive units of solute). It is particularly useful for titration calculations.
Tips
A common mistake is confusing normality with molarity. While molarity is the number of moles of solute per liter of solution, normality is specific to the reactive capacity of the solute.
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