can you please solve 9?

8. A crystal of quartz has a density of 2.65g/cc. (a) What is the mass (in grams) of a quartz crystal with a volume of 2.701cm3 ? (b) What is the density of quartz in kg/m3 ? (c) What is the volume (in mL ) of a quartz crystal that weighs 9110mg ? 9. The density of a solution of potassium iodide is 1.3692g/cc, and it is 38.00 percent by mass. What volume of the solution (in milliliters) do you need to supply 35.0g of potassium iodide