chemistry by SWATHY - - Friday, 14 August 2009, 10:36 PM Number of replies: 0 hello friends!!!!!!!!!!!! i am a new user...... this is really an interesting site. help me in completing these equations [Cro4]^-2 + H^+ -------> [Mno4]^- + [No2]^- + H^+ -----------> [No3]^- + H2So4 + Fe^2 ----------> Permalink Reply