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thaodenxau
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
hoa tan hoan toan 13 gam Zn trong dung dich HNO3 loangx thu duoc sau phan ung thu duoc dung dich X va 1.05 gam hon hop khi Y gom N2O va N2 co the tich bang 0,616 lit (dktc) so moc HNO3 tham gia phan ung la
em chi ra 0,495 mol nhung dap an lai la 0,615
em chi ra 0,495 mol nhung dap an lai la 0,615