Uploaded October 2019 | Updated September 2026, 2 weeks ago
Hydrogen pops at different volume proportions of hydrogen and air.
% H₂; 100, 83, 66, 47, 33, 16
% Air; 0, 17, 34, 53, 64, 84
The stoichiometric % is about 28% H₂. Collect H₂, in same-make test tubes containing known volumes of water. Nice extension to an old favourite.
Hydrogen pops at different volume proportions of hydrogen and air.
% H₂; 100, 83, 66, 47, 33, 16
% Air; 0, 17, 34, 53, 64, 84
The stoichiometric % is about 28% H₂. Collect H₂, in same-make test tubes containing known volumes of water. Nice extension to an old favourite.










