A 425 MW power plant efficiency ) uses a coal with a sulfur content of 2.0 wt % and a heating value of . determine the removal efficiency for so2 needed by the facility if a ) if it was constructed in 1974 it was constructed in 1998, and c ) it is new. assume that all the sulfur in the coal is released as ( 7 points ) (28\%; 9,500 btu/lb; 4,b); s*o_{2}