Here is the elemental composition (wt %) of a typical iron ore: Element Concentration7% Fe 59.2 Si 4.70 Al 0.908 V 0.193 Ca 0.095 Mg 0.093 Ti 0.06 0.053 a) Assuming that all of the non-Fe components are removed as their most stable oxides during the steel manufacturing process (collectively known as "slag"), how many pounds of slag is formed for every pound of steel (assume pure Fe) produced b) 81 million metric tons of steel was produced in the US in 2015. How much slag was produced that year?