[Học Để Thi] New comment on Tuyển tập những bài tập Hóa Học Hay.

Trang Ánh Nam has left a new comment on your post "Tuyển tập những bài tập Hóa Học Hay":

Có 1 cốc đựng a(g) dung dịch HNO3 đặc và H2SO4 đặc . Hòa tan hết 4,8 g hỗn hợp 2KL Mvà N (hóa trị đều không đổi vào dung dịch trong cốc thì thu được 2,1504 l hỗn hợp 2 khí (đKtc) gồm NO2 và khí A chứa ngtố S
a, xác định CTPT của A biết rằng sau pư khlượng các chất chứa trong cốc tăng 0,096 g so với dd trong cốc ban đầu .
b, tính khối lượng muối khan thu được sau pư
c, khi tỉ lệ HNO3 và H2SO4 thay đổi thì thể tích hỗn hợp khí thoát ra thay đổi trong khoảng nào?

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Posted by Trang Ánh Nam to Học Để Thi at December 7, 2018 at 5:24 PM

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