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A compound contains magnesium and nitrogen consists of 45% nitrogen. What percentage of magnesium must be in the compound?

Respuesta :

Answer:

Percentage of magnesium must be in the compound is 55%.

Explanation:

Percentage of magnesium in the compound = x

Percentage of nitrogen the compound = 45%

Magnesium and nitrogen together form 100 of the compound.

[tex]100\%=x+45\%[/tex]

[tex]x=100\%-45\%=55\%[/tex]

Percentage of magnesium must be in the compound is 55%.

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