Molar Concentration Calculator (Mass Volume Percent)
Use this calculator to determine the molar concentration of a solution when you know the mass/volume percentage and the molar mass of the solute.
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Enter the percentage concentration as weight per volume (g/100 mL).
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Enter the molar mass of the solute in grams per mole (e.g., NaCl = 58.44 g/mol).
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Results
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Molar Concentration: — M
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Key Intermediate Values:
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- Grams of solute per liter: — g/L
- Millimoles of solute per liter: — mmol/L
- Milliliters of solute per liter: — mL/L
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Formula Used: Molarity (M) = (Percent w/v / 100) × (1000 mL / 1 L) / Molar Mass (g/mol)
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Key Variables
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| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Mass/Volume Percent | Grams of solute per 100 mL of solution | % w/v | 0–100% |
| Molar Mass | Mass of one mole of the substance | g/mol | 1–1000+ |
| Molarity | Moles of solute per liter of solution | M | 0–20 M |
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Concentration Range Visualization
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Shows how molar concentration varies with percent mass/volume for a solute with molar mass of 58.44 g/mol.
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