An Oxide of nitrogen gave the following percentage composition N=25.94,O=74.06 calculate the empirical formula.
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Answer: NO2
Explanation:
Empirical formula refers to the simplest whole number ratio in which the atoms combine to form the compound. For instance, 25.94 % of nitrogen combines with 74.06% oxygen to forma compound of nitrogen.
We can determine the empirical formula of the compound as illustrated:
Element NOComposition 25.9474.06Relative atomic mass 1416Number of moles1.8534.631Mole ratio 12 From the mole ratio, the empirical formula of the compound is NO2
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