Enter the molarity, molar mass, and density into the calculator to determine the percentage concentration.

Mol/L To Percentage Calculator

Enter the required values to calculate the Percentage (%)


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Mol/L To Percentage Formula

The following formula is used to calculate the percentage concentration from molarity, molar mass, and density.

P = (M * MM * 100) / D

Variables:

  • P is the percentage concentration (%)
  • M is the molarity (mol/L)
  • MM is the molar mass (g/mol)
  • D is the density (g/L)

To calculate the percentage concentration, multiply the molarity by the molar mass and then by 100. Divide the result by the density.

Molarity to Mass Percentage (% w/w) Conversion Table (Sodium Chloride, ρ ≈ 1.00 g/mL)
Molarity (mol/L) Molar Mass (g/mol) Density (g/L) Percentage (%)
0.0158.4410000.058
0.0258.4410000.117
0.0558.4410000.292
0.1058.4410000.584
0.2058.4410001.169
0.2558.4410001.461
0.3058.4410001.753
0.4058.4410002.338
0.5058.4410002.922
0.7558.4410004.383
1.0058.4410005.844
1.2558.4410007.305
1.5058.4410008.766
2.0058.44100011.688
2.5058.44100014.610
3.0058.44100017.532
3.5058.44100020.454
4.0058.44100023.376
4.5058.44100026.298
5.0058.44100029.220
* Rounded to 3 decimals. Formula: % = (M × molar mass × 100) / density. Assumes NaCl (58.44 g/mol) and solution density ≈ 1.00 g/mL (1000 g/L).

What is Mol/L To Percentage?

Mol/L to percentage is a conversion used in chemistry to express the concentration of a solution. Molarity (mol/L) is a measure of the number of moles of solute per liter of solution, while percentage concentration is the amount of solute in a given amount of solution, expressed as a percentage. This conversion is useful for preparing solutions and for understanding the concentration of solutions in different units.

How to Calculate Mol/L To Percentage?

The following steps outline how to calculate the percentage concentration from molarity, molar mass, and density.


  1. First, determine the molarity (M) of the solution.
  2. Next, determine the molar mass (MM) of the solute.
  3. Next, determine the density (D) of the solution.
  4. Finally, calculate the percentage concentration using the formula P = (M * MM * 100) / D.
  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.

Molarity (M) = 2 mol/L

Molar Mass (MM) = 58.44 g/mol

Density (D) = 1.2 g/L