Convert mL to moles using a solution’s molarity, or without molarity for pure liquids like water or ethanol, and convert moles back to mL.
| mL to moles (Water) | moles to mL (Water) |
|---|---|
| 0.5 mL = 0.0278 mol | 0.001 mol = 0.0180 mL |
| 1 mL = 0.0555 mol | 0.005 mol = 0.0901 mL |
| 2 mL = 0.111 mol | 0.01 mol = 0.180 mL |
| 5 mL = 0.278 mol | 0.02 mol = 0.360 mL |
| 10 mL = 0.555 mol | 0.025 mol = 0.450 mL |
| 15 mL = 0.833 mol | 0.05 mol = 0.901 mL |
| 20 mL = 1.11 mol | 0.1 mol = 1.80 mL |
| 25 mL = 1.39 mol | 0.25 mol = 4.50 mL |
| 30 mL = 1.67 mol | 0.5 mol = 9.01 mL |
| 50 mL = 2.78 mol | 0.75 mol = 13.5 mL |
| 75 mL = 4.16 mol | 1 mol = 18.0 mL |
| 100 mL = 5.55 mol | 2 mol = 36.0 mL |
| 150 mL = 8.33 mol | 5 mol = 90.1 mL |
| 200 mL = 11.1 mol | 10 mol = 180 mL |
| 250 mL = 13.9 mol | 20 mol = 360 mL |
| 500 mL = 27.8 mol | 25 mol = 450 mL |
| 750 mL = 41.6 mol | 30 mol = 540 mL |
| 1000 mL = 55.5 mol | 40 mol = 721 mL |
| 1500 mL = 83.3 mol | 50 mol = 901 mL |
| 2000 mL = 111 mol | 100 mol = 1802 mL |
| Formulas (water): n = (V × ρ) ÷ M and V = (n × M) ÷ ρ. Assumes ρ = 1.0 g/mL, M = 18.015 g/mol. | |
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| Calculator Operations | Required Inputs |
|---|---|
| Moles in a pure liquid | Volume, density, molar mass |
| Moles from solution volume and molarity | Volume, Molarity |
mL to Moles Formula
The following formula is used to convert a volume into total moles.
- Where n is the number of moles
- M is the molarity (mol/L)
- V is the volume (mL)
To calculate moles from mL, multiply molarity in mol/L by final solution volume in mL, then divide by 1,000.
mL to Moles Conversion
Converting ml to moles is done through the multiplication of molarity and volume. Molarity is a measure of the number of moles per unit of volume.
mL to Moles Example
Example #1:
First, determine the molarity.
In this example, the molarity is 5 mol/L.
Next, determine the total volume of the substance.
For this problem, the total volume is found to be 10 mL.
Finally, calculate the number of moles in the substance using the formula above:
n = M * V / 1000
n = 5 × 10 / 1000
n = 0.05 mol
FAQ
mL to moles converts volume to amount using solution molarity, or density and molar mass for a pure liquid.
How to convert ml to moles?
- First, determine the molarity.
Calculate the molarity of the solution.
- Next, determine the volume.
Measure the total volume of the solution in mL.
- Finally, calculate the number of moles.
Calculate the number of moles using the equation above.
