Question

cân bằng các phản ứng sau
1.....CO +Fe2O3 ____> ..... Fe +..... CO2

2..... C+ .....Fe2O3_____>.....Fe+.....CO2

3..... KClO3_____> .....KCl +..... O2

4 Ba(OH)2 +.....Na2SO4_____> BaSO4+.....NaOH

5K2O + H2O_____>2KOH

6 Fe(OH)3+ .....HCl_____> FeCl2+ .....H2O

giúp mình vs

 

Answer 1

1

3CO +Fe2O3 ____>2Fe +3 CO2

2

3 C+ .2.Fe2O3_____>.4Fe+3CO2

3

2KClO3_____> .2KCl +3 O2

4

Ba(OH)2 +Na2SO4_____> BaSO4+2NaOH

5

K2O + H2O_____>2KOH

pthh 6 bạn viết sai ctghh rồi

Answer 2

1 ....3.CO + Fe2O3 ____> ...2.. Fe +...3.. CO2

2 ...3.. C + ..2...Fe2O3_____>...4..Fe+...3..CO2

3 ..2... KClO3_____> ...2..KCl +...3.. O2

4 Ba(OH)2 +.....Na2SO4_____> BaSO4 +..2...NaOH

5 K2O + H2O_____>2KOH

6 Fe(OH)3+ ....2.HCl_____> FeCl2+ .....H2O ========> Phương trình này sai