75% sulphuric acid, of density 1650 kg/m3 and viscosity 8.6 mN s/m2 , is to be pumped for 0.8 km along a 50 mm internal diameter pipe at the rate of 3.0 kg/s, and then raised vertically 15 m by the pump. If the roughness is 0.046 mm, Estimate head loss over the entire piping network.