based on block diagram above show calculation step by step to calculate the mass balance and energy balance for reactor, filter,distillation coloumn, evaporator,reboiler and condensor to produce $200000$ tonnes of phosphoric acid per year. this equation for block diagram production of phosphoric acid $($PO$4)2($s$)+3$H$2$S$04($l$)+6$H$20($l$)-->2$H$3$PO$4($l$)+3$CaSO$42$H$20$