P
phuonglien1995


mot hon hop gom hai kim loai Al va Fe can nang 41.7g dem hoa tan hoan toan bang dd HNO3 du thu duoc 3 dd muoi va 6.72l khi NO o dktc .cho dd 3 muoi tren tac dung voi NaOH du thu duoc 64.2g ket tua .tinh khoi luong moi kim loai va khoi luong moi muoi trong dd
mih giai he ba an nhug sao so mol toan ra am khong i khong biet la sai cho nao=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((
mih giai he ba an nhug sao so mol toan ra am khong i khong biet la sai cho nao=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((=((