Please can you solve that ?

2-) The ore with the composition given bebw, is roasted and sulfur (S) amount is reduced to 6.8%.5% of the Cu becomes CuO, and the rest of the Cu becomes Cu2S. Additionally some amount Fe traes firms to iron axide (Fe2O3) while same of it trustoms to sulfide (Fes). According to the given dato; a-) What is the roasted product weight and comparition obtained from a tan of ry ore? Glgnore the lasses with flue gos.) b-) Calculate the volume of flue gas obtained from a ton of dry ore, by adoling the moishure anourt. c-) Calculate the volume of oir bloun and the percentoge (%) of the excess air