[Trang Ánh Nam] New comment on Công thức giải nhanh hóa học.

Nam Trang Ánh has left a new comment on your post "Công thức giải nhanh hóa học":

Câu 6: cho phản ứng:
Al +HNO3 ->Al(NO3)3 + NH4NO3 + N2O + NO + H2O
Tổng hệ số của cân bằng phản ứng trên là:
a. 23 B.155 c.149 d.113


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Posted by Nam Trang Ánh to Trang Ánh Nam at January 6, 2019 at 10:17 AM

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