Concentration Calculator
Solute Amount (g or mol)
Solution Volume (L)
Unit
Solution concentration calculators convert between molarity (mol/L), mass concentration (g/L), and percent concentration (% w/v). Used in chemistry, biology, pharmacy, and food science.
- 1Molarity (M) = Moles of solute / Volume of solution (L)
- 2Mass conc (g/L) = Molarity × Molar mass
- 3% w/v = (mass of solute g / volume mL) × 100
- 4Dilution: C₁V₁ = C₂V₂
10g NaCl (M=58.44) dissolved in 250mL water=Molarity = (10/58.44)/0.250 = 0.684 mol/L = 0.684 M
| Unit | Symbol | Definition |
|---|---|---|
| Molarity | M or mol/L | Moles solute per litre solution |
| Normality | N | Equivalents per litre |
| % w/v | % | g solute per 100 mL solution |
| ppm | mg/L | mg solute per litre (dilute solutions) |
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