Answer:
Density = 0.00026 g/mL
Step-by-step explanation:
The density of a substance can be found by using the formula

From the question
mass of air = 1.2 g
volume = 4,555 mL
Substitute the values into the above formula and solve for the density
That's

= 0.0002634
We have the final answer as
Density = 0.00026 g/mL
Hope this helps you