Chapter 2.7, Problem 76PP

Use the density values in Table 2.10 to solve each of the following problems:
a. If a bottle of olive oil contains 1 .2 kg of olive oil, what is the volume, in milliliters, of the olive oil?
b. A cannonball made of iron has a volume of $115c{m}^3$ . What is the mass, in kilograms, of the cannonball?
c. A balloon filled with helium has a volume of 7.3 L. What is the mass, in grams, of helium in the balloon?