Normality Calculator

Normality is a concentration unit especially common in acid-base and redox chemistry, measuring the number of reactive equivalents (rather than whole moles) per liter of solution.

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What Is a Normality Calculator?

Normality is a concentration unit especially common in acid-base and redox chemistry, measuring the number of reactive equivalents (rather than whole moles) per liter of solution. This calculator solves for equivalents, volume, or normality from the other two.

How to Use This Normality Calculator

  1. Fill in any two of the three fields: Gram Equivalents, Volume, and Normality.
  2. Leave the value you want to solve for blank.
  3. Click Calculate to find the missing value.

Formula

Worked Example

A solution contains 1.5 equivalents in 3 L. Normality = 1.5 / 3 = 0.5 eq/L.

Frequently Asked Questions

What is normality in chemistry?

A concentration measure using "equivalents" to account for a solute's reactive capacity.

How is normality calculated?

Normality = molarity × equivalents per mole (n-factor).

Why is normality used alongside molarity?

It's convenient for titration calculations at the equivalence point.

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