[Học Để Thi] New comment on Bảo toàn mol electron.

Vua Hài Kịch has left a new comment on your post "Bảo toàn mol electron":

Hòa tan hoàn toàn hỗn hợp gồm x mol FeS2 và y mol Cu2S vào axit HNO3 (vừa đủ), thu được dung dịch X (chỉ chứa hai muối) sunfat) và khí duy nhất NO.Tính tỉ lệ x/y
A.1/3 B.3/1 C.1/2 D.2/1

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Posted by Vua Hài Kịch to Học Để Thi at December 15, 2018 at 9:42 AM

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