established · Water Fuel Cell · computed
Water molecule mass ratio: hydrogen is 20% of water molecule mass units
Using atomic mass units where 1 electron/proton pair ~1 Mu, water's 2 hydrogen atoms (2 Mu) plus 1 oxygen atom (8 Mu) totals 10 Mu, so hydrogen is 2/10 = 20% of the water molecule's mass, yielding 1.669 lbs hydrogen per gallon of water (8.345 lbs x 0.20).
Basis
- Confidence
- 0.90
- Published
- 19 Aug 2026
- Device
- Water Fuel Cell
- Component
- water
- Source Ref
- WFC Independent Test-Evaluation Report — WFC International Independent Test-Evaluation Report (Project Binder 423-DA)
- Notebook Id
- 1292
- Recorded At
- 2026-07-03T07:18:46.981Z
- Source Page Id
- 707
mass-unit hydrogen-content formula