![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
cho 9.2 gam Na vao 160 ml dung dich co khoi luong rieng la 1.25 g/ml chua Fe2(SO4)3 va Al2(SO4)3 voi nong do tuong ung la 0.125M va 0.25M.Sau phan ung, nguoi ta tach ket tua va dem nung den khoi luong khong doi.khoi luong chat ran thu duoc sau khi nung la
A.5.24g
B 10.48g
C 2.62g
D 1.31g
A.5.24g
B 10.48g
C 2.62g
D 1.31g