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thho
![](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 Fe phan ung vua het voi H2SO4 duoc khi X (san pham khu duy nhat)va 8.28 gam muoi.biet so mol Fe bang 37.5% so mol H2SO4 da phan ung va khi X khong phan ung voi dung dich CuSO4.gia tri cua m la?gam