" The percentage of ozone in ozonised oxygen is about "

The percentage of ozone is ozonised oxygen is about ____.

The percentage of ozone is ozonised oxygen is about 80 % .

60mL of pure ozone is heated and then colled. The increase in the volume is 10mL. Determine the percentage volume of ozone decomposed into oxygen.

How is pure ozone obtained from ozonised oxygen?

Heats of atmoisation of ozone and oxygen are 25 units and 30 units respectively. What is the heat of ozonisation of one mole of oxygen is the same units?