Question

Convert the density 1.98 g/mL to the unit kg/m3.

1980 kg/m3

19.80 kg/m3

19800 kg/m3

0.198 kg/m

Answer 1

1.98g/ml is the same as saying 1.98kg/l (multiply both sides by 1000). 1 cubic metre is the same as 1000 litres so the density is 1980kg per cubic metre (kg/m3).