Convert moles to mass in grams using a compound’s molar mass, or mass to moles, with common compound presets or your own molar mass in g/mol.
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Mass From Moles Formula
The following formula is used to calculate the Mass From Moles.
- Where m is the Mass From Moles (g)
- n is the amount of substance (moles)
- MM is the molar mass (g/mole)
To calculate the mass from moles, multiply the number of moles by the molar mass.
| Moles (mol) | Mass (g) | Mass (kg) | Mass (lb) |
|---|---|---|---|
| 0.000001 | 0.000018015 | 0.000000018015 | 0.0000000397162 |
| 0.00001 | 0.00018015 | 0.00000018015 | 0.000000397162 |
| 0.0001 | 0.0018015 | 0.0000018015 | 0.00000397162 |
| 0.001 | 0.018015 | 0.000018015 | 0.0000397162 |
| 0.002 | 0.03603 | 0.00003603 | 0.0000794325 |
| 0.005 | 0.090075 | 0.000090075 | 0.000198581 |
| 0.01 | 0.18015 | 0.00018015 | 0.000397162 |
| 0.025 | 0.450375 | 0.000450375 | 0.000992906 |
| 0.05 | 0.90075 | 0.00090075 | 0.00198581 |
| 0.1 | 1.8015 | 0.0018015 | 0.00397162 |
| 0.2 | 3.603 | 0.003603 | 0.00794325 |
| 0.25 | 4.50375 | 0.00450375 | 0.00992906 |
| 0.5 | 9.0075 | 0.0090075 | 0.0198581 |
| 0.75 | 13.51125 | 0.01351125 | 0.0297872 |
| 1 | 18.015 | 0.018015 | 0.0397162 |
| 2 | 36.03 | 0.03603 | 0.0794325 |
| 5 | 90.075 | 0.090075 | 0.198581 |
| 10 | 180.15 | 0.18015 | 0.397162 |
| 20 | 360.3 | 0.3603 | 0.794325 |
| 50 | 900.75 | 0.90075 | 1.98581 |
| Assumes water (M = 18.015 g/mol). 1 g = 0.001 kg; 1 lb = 453.59237 g exactly (≈ 0.00220462 lb per g). Therefore, 1 mol H₂O ≈ 18.015 g ≈ 0.018015 kg ≈ 0.0397162 lb. | |||
How to Calculate Mass From Moles?
The following example problems outline how to calculate Mass From Moles.
Example Problem #1:
- First, determine the amount of substance (moles).
- The amount of substance (moles) is given as 1.60.
- Next, determine the molar mass (g/mole).
- The molar mass (g/mole) is provided as 275.
- Finally, calculate the Mass From Moles using the equation above:
m = n * MM
The values given above are inserted into the equation below and the solution is calculated:
m = 1.60 * 275 = 440 (g)
Example Problem #2:
For this problem, the variables needed are provided below:
amount of substance (moles) = 5
molar mass (g/mole) = 125
This example problem is a test of your knowledge on the subject. Use the calculator above to check your answer.
m = n * MM = ?
