Respuesta :

pkmnmushy
The oxidation number is= +1. We can show it like this 
 The oxidation number of H =+1 
Lets say that=
O=-2 
Cl=X 
and now let's say that  the total oxidation number =0 
+1+X+-2=0 
X=2-1  
Oxidation number=+1 

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good job