\(Al+4HNO_3\rightarrow Al\left(NO_3\right)_3+NO+2H_2O\)

\(Al_2\left(SO_4\right)_3+6AgNO_3\rightarrow3Ag_2SO_4+2Al\left(NO_3\right)_3\)

Al2(SO4)3+6AgNO3→3Ag2SO4+2Al(NO3)3

\(Al_2\left(SO_4\right)_3+6AgNO_3->3Ag_2SO_4+2Al\left(NO_3\right)_3\)

2-15-12-6

2-15-12-6

2 A l + 3 H 2 S O 4 → A l 2 S O 4 3 + 3 H 2

3 C a O + 2 H 3 P O 4 → C a 3 P O 4 2 + 3 H 2 O

M g + H C l → M g C l 2 + H 2

M g O + 2 H C l → M g C l 2 + H 2 O

2Ba + O₂ → 2BaO

mk xin phép cân bằng luôn nhá

2Ba + O2 --> 2BaO

Phương trình hóa học :

\(2Ba + O_2 \xrightarrow{t^o} 2BaO\)

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\(CO_2+2NaOH\rightarrow Na_2CO_3+H_2O\)

2C${}^{}+\mathrm{4N}aOH\to \mathrm{2N}{}^{}C{}^{}+{}^{}O$