Aleks Chemistry - Using mass density to find mass or volume

A chemistry student needs 80.0mL of glycerol for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of glycerol is 1.26gcm−3. Calculate the mass of glycerol the student should weigh out.

101.g

A chemistry student needs 35.0mL of diethylamine for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of diethylamine is 0.706gcm−3. Calculate the mass of diethylamine the student should weigh out.

24.7g

A chemistry student needs 20.0g of diethylamine for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of diethylamine is 0.706gcm−3. Calculate the volume of diethylamine the student should pour out.

28.3mL