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thao_won


[TEX]NH_4HCO_3 + NaOH \to A \uparrow \ [/TEX] ( tỉ lệ 1 :1 )
[TEX]A + HCl \to B[/TEX]
[TEX]B \to A\uparrow \ [/TEX]
[TEX]A + HNO_3 \to C[/TEX]
[TEX]C \to D\uparrow \ [/TEX]
[TEX]A + HCl \to B[/TEX]
[TEX]B \to A\uparrow \ [/TEX]
[TEX]A + HNO_3 \to C[/TEX]
[TEX]C \to D\uparrow \ [/TEX]