Calculate equivalents from moles or mass using valence and molar mass, with results in eq and mEq for common ions and compounds in chemistry.

Mole To Equivalent Calculator

Pick an ion or compound to auto-fill valence — then enter one value.

Moles → Equivalents
Mass → Equivalents

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Mole to Equivalent Formula

The following formula is used to calculate the equivalents from moles and valence.

E = M * V

Variables:

  • E is the equivalents
  • M is the moles
  • V is the valence

To calculate the equivalents, multiply the moles by the valence.

What is a Mole to Equivalent Conversion?

A mole to equivalent conversion is a calculation used in chemistry to determine the number of equivalents in a given amount of substance (moles) based on its valence. The valence is the number of electrons an atom can lose, gain, or share during a chemical reaction. This conversion is essential in stoichiometry for balancing chemical equations and understanding the proportions of reactants and products in a reaction.

How to Calculate Mole to Equivalent?

The following steps outline how to calculate the Mole to Equivalent conversion.

  1. First, determine the number of moles (M).
  2. Next, determine the valence (V).
  3. Next, calculate the equivalents using the formula E = M * V.
  4. Finally, calculate the Mole to Equivalent conversion.
  5. After inserting the values and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Moles (M) = 2

Valence (V) = 3