## Chemistry: Principles and Practice (3rd Edition)

7.99 g/$cm^{3}$
Mass = 147.8 g Volume = 48.5 mL - 30.0 mL = 18.5 mL Density = $\frac{Mass}{Volume} = \frac{147.8g}{18.5mL}$ = 7.99 g/mL = 7.99 g/$cm^{3}$ (as 1 mL = 1 $cm^{3}$)