An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals. Calculate the number of moles of NiCO3 reacted, Calculate the mass of nichel carbonate reacted, mass of un reacted nichel carbonate??? with the process