Free online moles to molarity calculator – calculate molarity from moles just mole and volume then click the calculate button.

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## Moles to molarity formula

To calculate molarity from moles, you can use the formula

**M = n / v = moles (mol)/volume (L)**

- n = Moles of solute (mol)
- M = Molarity (M or mol/L)
- V = Volume of solution (L)

## How to convert moles to molarity?

To convert moles to molarity, simply moles of solute divide by the volume of solution then you get molarity (mol/L).

Here step by step

- First, Determine the moles of solute (mole = mass/molar mass)
- Next, Determine the volume of the soln (liter)
- Finally, Put values in the above formula of moles to molarity

## Solved Example

**Example** – 0.5 moles of NaCl dissolved in 2 liters of water. The molarity would be.

Given Values

- Moles of NaCl = 0.5 mol
- Volume of water = 2 liters

put the value into the formula

Molarity (M) = moles/volume = 0.5 / 2 = 0.25 M

The molarity of the solution is 0.25 M