câu 1Cu +HNO3=>Cu(NO3)2 +NO+H2OxmolFe3O4 + HNO3 => Fe(NO3)2 +NO +H2Oymolta có hệ2x-2y=0.15*364x+232y=61.2-2.4=>x=0.375moly=0.15mol=>m=0.375*188+0.15*3*180=151.5g
câu 1Cu +HNO3=>Cu(NO3)2 +NO+H2OxmolFe3O4 + HNO3 => Fe(NO3)2 +NO +H2Oymolta có hệ2x-2y=0.15*364x+232y=61.4-2.4=>x=0.375moly=0.15mol=>m=0.375*188+0.15*3*180=151.5g
câu 1Cu +HNO3=>Cu(NO3)2 +NO+H2OxmolFe3O4 + HNO3 => Fe(NO3)2 +NO +H2Oymolta có hệ2x-2y=0.15*364x+232y=61.
2-2.4=>x=0.375moly=0.15mol=>m=0.375*188+0.15*3*180=151.5g