Answer:
0.047 %
Explanation:
Step 1: Given data
Step 2: Calculate the %v/v of ozone in the air
Air is a mixture of gases. We can find the %v/v of ozone (a component) in the air (mixture) using the following expression.
%v/v = pO₃/P × 100%
%v/v = 0.33 torr/695 torr × 100%
%v/v = 0.047 %