I
inmyclass
neu cau da co nhieu de nhu vay giup cho to mo rong tam mat to khong dap lai e rang se that le nen to chi dua ra mot bai mong duoc chi giao
hon hop Agom Fe,Cu co khoi luong la 18,4 g .Cho hon hop A vao HNO3(l)1M pu vua du thu duoc ddB ,va V(l)NO duy nhat (dkc)va con lai 3,2g mot kim loai .Tinh khoi luong moi kim loai trong hon hop ban dau biet V=3,733(l)(dap an :mFe=5,6, mCu=12,8):M030:
hon hop Agom Fe,Cu co khoi luong la 18,4 g .Cho hon hop A vao HNO3(l)1M pu vua du thu duoc ddB ,va V(l)NO duy nhat (dkc)va con lai 3,2g mot kim loai .Tinh khoi luong moi kim loai trong hon hop ban dau biet V=3,733(l)(dap an :mFe=5,6, mCu=12,8):M030: