Question

A compound is found to contain 30.45% nitrogen and 69.55 % oxygen by weight. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above.

Answer 1

Answer:-

Table to determine the empirical formula:-

Elements % % simplest Ratio Atomic | Weight ic Weight Ratio N 30.45 14 30.45 = 2.175 2.175 14 2.175 To 69.55 16 69.55 -4,346 4.346 16 12.175 - 2

Hence,

Empirical formula = NO₂

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