What is needed to find the density of a substance? Please pick the best answer.
mass and volume
What is the density of a metal sample with a mass of 112.75 grams and a volume of 12.58 cc, with correct significant figures?
8.963 g/cc
A bar has the following dimensions: 8.35 cm long, 2.50 cm wide, and 0.90 cm high. What is its volume in cubic centimeters, with the correct significant figures?
19
It is desired to find the volume of a sample of metal pellets. A volume of 13.5 mL of water is added to a graduated cylinder, followed by the pellets. The volume is observed to rise to 20.5 mL. What is the volume of the metal pellets, to the correct number of significant figures?
7.0 mL
A liquid is added to a buret, and the initial measurement is found to be 0.75 mL. After liquid has been added to the flask from the buret, the buret reads 15.20 mL. How much liquid (in mL) was dispensed from the buret, with the correct number of significant figures?
14.45