How to convert Gdm-3 to moldm-3
Since it is still in dm^-3 (which is basically a Litre) You just need to convert the g into moles using the formula: moles = mass/molar mass = 5.6/(39.1+16+1) = 5.6/56.1 = 0.1 moles So this makes it 0.1 moles dm^-3
