Empirical Formula Calculator
Calculate the simplest whole-number ratio of atoms in a compound from elemental mass percentages or masses. Enter up to three elements with their mass data to find the empirical formula.
Inputs
Atomic mass of element 1 (C=12.011)
Atomic mass of element 2 (H=1.008)
Atomic mass of element 3 (O=15.999)
Results
Ratio
1:2:1
El. 1 Ratio
1
El. 2 Ratio
2
Empirical Formula Results
| Parameter | Value |
|---|---|
| Element 1 Mass % | 40.00% |
| Element 1 Moles | 3.3303 mol |
| Element 1 Ratio | 1 |
| Element 2 Mass % | 6.71% |
| Element 2 Moles | 6.6567 mol |
| Element 2 Ratio | 2 |
| Element 3 Mass % | 53.29% |
| Element 3 Moles | 3.3308 mol |
| Element 3 Ratio | 1 |
| Total Mass % | 100.00% |
| Empirical Ratio | 1 : 2 : 1 |
Frequently Asked Questions
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