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Sagot :
The chemical formula for the unknown compound : N₂O₃
Further explanation
Given
6.2 mol of oxygen and 4.1 mol of nitrogen.
Required
The chemical formula
Solution
Chemical formulas can be expressed in terms of empirical or molecular formulas.
The empirical formula shows the simplest mole ratio of a compound
Meanwhile, the molecular formula shows the actual ratio of the number of elements that make up the compound
We divide the two known moles by the smallest mole (moles of nitrogen)
[tex]\tt N\div O=\dfrac{4.1}{4.1}\div \dfrac{6.2}{4.1}=1\div 1.5=2\div 3[/tex]
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