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tantan2890
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Hon hop X gom Cu,Ag co m(g) tan hoàn toàn trong HNO3,H2SO4 thu dc dung dich Y va 7,06g muoi va hh khi' Z chua 0,05mol NO2,0,01mol S02.Tim m??
A 3g B 3,32g C 3,06g D 2,58g
A 3g B 3,32g C 3,06g D 2,58g