Respuesta :

Answer:

[tex]Z\text{ = +6}[/tex]

Explanation:

Here, we want to get the value of the oxidation number of Z

Generally, hydrogen has an oxidation number of +1, while oxygen has an oxidation number of -2

The total oxidation number is zero

Thus:

[tex]\begin{gathered} 2(+1)\text{ + Z + 4\lparen-2\rparen = 0} \\ 2+Z-8\text{ = 0} \\ Z-6\text{ = 0} \\ Z\text{ = +6} \end{gathered}[/tex]

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