[Hóa 8] Cân bằng phương trình hóa học

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tramanh_junkjm_97

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t_and_q

[TEX] Fe_xO_y + (6x - 2y) HNO_3 ---> x Fe(NO_3)_3 + (3x - 2y )NO_2 + (3x - y)H_2O[/TEX]

[TEX] 2 Fe_3O_4 + 10 H_2SO_4 ---> 3Fe_2(SO_4)_3 + SO_2 + 10 H_2O[/TEX]

[TEX] C_xH_y(COOH)_a + \frac{4x+y+a}{4}O_2 ---> x+a CO_2 + \frac{y+a}{2} H_2O[/TEX]

[TEX] 11 Zn + 28 HNO_3 ---> 11 Zn(NO_3)_2 + 2NO + 2NH_4NO_3 + 10 H_2O[/TEX]
 
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