L
love_hiphip
Zn + HNO3 ==> Zn(NO3)2 + N2O + H2O
cug cha bit co dug k nua
Fe3O4 + H2SO4-----> ......+.......+.......
cug cha bit co dug k nua
Fe3O4 + H2SO4-----> ......+.......+.......
Last edited by a moderator: