2. Tools of the Trade

An empty container weighing 73.190 g is filled with an unknown liquid and the combined mass is recorded as 87.308 g. The container was then emptied and filled with water and recorded a new mass of 88.442 g at a temperature of 19 ^oC. (d = 1.0027 g/mL). Calculate the density of the unknown liquid. 

A 39.0 g piece of aluminum metal has a volume of 14.4 cm³. Calculate the apparent weight of the piece of metal when it is immersed in chloroform. Density of chloroform at 25 °C is 1.49 g/cm³.