If the mass of the solid is 9.25 g, what is the density? ... Since you're working with milliliters, one unit of volume will be 1 mL ... You know that 5.0 mL have a mass of 9.25 g , so use this as a conversion factor to find. 1.0mL ⋅9.25 g5.0mL =1.85 g
