OHBA HSO BASO3 2 3BA(HSO3)2     HBA HSO SO...

Câu 34.



OH

Ba HSO BaSO

3

2

3

Ba(HSO

3

)

2

 

 

 

H

Ba HSO SO

3

2

2

OH

2

Sn OH SnO

2

2

Sn(OH)

2

 

 

H

2

Sn OH Sn

2

NaHS Na S

NaHS

 

NaHS H S

CH COONH NH

3

4

3

CH

3

COONH

4

CH COONH CH COOH

áp á n: C