Calculate the percentage of sulphur present in sulphuric acid (H2SO4).
We know that the molar mass of H2SO4=98 gMass of sulphur in H2SO4=32 g% of sulphur=mass of sulphur total mass of the compound×100=(32/98)×100=32.65%
Calculate mass/volume percentage of 20% solution by mass of sulphuric acid