H
hakhanhnhu
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
cho m gam hon hop Fe , Cu vao dd chua 0,03mol Fe(NO3)3 va 0,09 molAgNO3 sau 1 thoi gian phan ung loc tach duoc 9,76g hon hop ran X va dd Y. cho them 2,16g bot Al vao Y den khi phan ung hoan toan thu duoc 8,74g hon hop kim loai va dd Z . tinh m. (dap an ra 6,56)