Percentage Concentration to Molarity Calculator

Chemistry

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Converts percentage concentration of a solution to molarity, given the density and molecular weight of the solute.

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How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Percentage Concentration (%), Density of Solution, and Molecular Weight of Solute in the units shown.

Step 2

Read Molarity in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

10% NaCl Solution

Percentage Concentration (%): 10 %; Density of Solution: 1.071 g/mL; Molecular Weight of Solute: 58.44 g/mol

Molarity: 1.832648871 mol/L

5% Glucose Solution

Percentage Concentration (%): 5 %; Density of Solution: 1.019 g/mL; Molecular Weight of Solute: 180.16 g/mol

Molarity: 0.2828041741 mol/L

20% Sucrose Solution

Percentage Concentration (%): 20 %; Density of Solution: 1.084 g/mL; Molecular Weight of Solute: 342.3 g/mol

Molarity: 0.6333625475 mol/L

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