1.  11, 200g

2.  0.476 g/L

3.  170g

4.  0.363 cubic centimeters

5.  1.3 g

6. 2.279 cubic meters

7.  26.6 g

8.  29 mL

9.  14.1 g

10.  73 g

11.  4.67g/cm^3

12.  5.51g/cm^3

13.  11g/mL

This document shows the solutions in more detail with the solutions worked out:

Density Practice Problems.