Figure number:
File name:

The preview Image has been scaled down to fit the screen. Actual image is both larger and clearer.

Title: The electrolysis of water
Caption: Electrolysis of water. Hydrogen and oxygen are always produced in a volume ratio of 2:1.
Notes: Under the same conditions of temperature and pressure, molecules of hydrogen occupy the same volume as an equal number of oxygen molecules. What ratio of hydrogen molecules to oxygen molecules is produced by the electrolysis of water?
Keywords: electrolysis, water, hydrogen, oxygen