A marble or small sphere, made of stone, is found to have a mass of 3.05g. To find its volume it is placed in a gradulated cylindar that originally contains 10.00mL of water. When the marble is placed in hte gradulated cylindar, the new volume of the water and the marble together is 11.20mL.
a:calculate the volume of the marble(be sure to include units)

b:calculate the density of the marble.(be sure to include units)

Question

A marble or small sphere, made of stone, is found to have a mass of 3.05g. To find its volume it is placed in a gradulated cylindar that originally contains 10.00mL of water. When the marble is placed in hte gradulated cylindar, the new volume of the water and the marble together is 11.20mL. 
a:calculate the volume of the marble(be sure to include units)

b:calculate the density of the marble.(be sure to include units)

irishboy123 · Answer

show your working first :p

rajat97 · Answer

A substance when placed in certain liquid displaces the amount of liquid equal to it's own volume.
So, the volume of the marble = Final volume of water - Initial volume of water.
Now that you have the volume and the mass is given, you can find the density by using the formula:
Density=mass/volume