Xác định A, B, C: HCl + MnO2 → A↑ + B + C (lỏng)A + C −a/s→ D + E↑ D + Ca(OH)2 → G + C F + E −to→ C
Giải thích
HCl + MnO2 → Cl2↑ + MnCl2 + H2O (lỏng)
A B C
Cl2 + H2O −a/s→ + E↑
D + Ca(OH)2 → G + C
F + E −to→ C
F + A → D
HCl + MnO2 → Cl2↑ + MnCl2 + H2O (lỏng)
A B C
Cl2 + H2O −a/s→ + E↑
D + Ca(OH)2 → G + C
F + E −to→ C
F + A → D