Density = mass / volume
Density = 7.5 g / 5.0 cm3
Density = 1.5 g/cm3
Answer:
a
Explanation:
it would be the most reasonable
To determine the velocity of an object, you need to know the displacement and the change in time.
v = displacement / change in time
I looked up what is the molecular formula for Phosphine and got this: PH3
Hope this helps! Let my know if this was correct.
