Answer:
2.05 g/mL
Step-by-step explanation:
Density is calculated by the formula

To find the density, we must first find the mass, which is given to us as 19.5 grams. To find the volume, we must subtract our final volume of water from our intial volume of water. We get 9.5 mL as the volume after doing this.
We now have the two values we need to solve the formula, and it is as follows:
