Question

Estado de oxidación de los siguientes compuestos:
Na2So4
Hg2O
H3Po4
HnO3

Answer 1

 ₊₁    ₊x   ₋₂
Na2 S    O4
````````````````````
+2 +x -8 = 0
x = +8 -2
x = +6

Na: +1
S: +6
O: -2

b)
₊₁    ₋₂
Hg₂O

Hg: +1
O: -2

c)

₊₁  +x ₋₂
H₃P  O4
````````````
+3 +x -8 = 0
x = +8 -3 = +5

H: +1
P: +5
O: -2

d)

₊₁ +x ₋₂
H N  O₃
````````````
+1 +x -6 = 0
x = +6 -1 = +5

H: +1
N: +5
O: -2