Mass-to-Moles and Moles-to-Mass
Solve for the missing third from mass, moles, and molecular weight.
Example
You enter
- Mass (g, leave 0 to solve) 10
- Molecular weight (g/mol) 58.44
You get
- Moles 0.1711
Checked against published worked examples from: LibreTexts (Chemistry LibreTexts, CK-12 Introductory Chemistry).
Details, formula, and sources
Formula or tablemoles = mass / MW; mass = moles * MW. Solve for the missing one.
Source and editionStoichiometric identity. First principles.
Free accessNo code citation required.
What governsVerify protocol against your lab's SOP before pipetting. A miscalculated dilution can ruin a run or a sample.
API field namesmass_g, moles, molecular_weight