Answer:
6.22 g/mL
Step-by-step explanation:
To calculate the density of an object, you divide its mass by its volume (d = m/v).
In this case, the mass of the object is 3.00 x 10^2 grams and the volume is 48.5 mL.
So the density = (mass (g)) / (volume (mL)) = (3.00 x 10^2) / (48.5) = 6.22 g/mL