We’re being asked to determine the empirical formula of a compound composed of N and O, given the mass percent of N and O.
Recall that the empirical formula is the simplest whole-number ratio formula of a compound.
For this problem, we need to do the following steps:
Step 1: Calculate the mass and moles of N and O in the compound.
Step 2: Determine the lowest whole number ratio of N and O to get the empirical formula.
Determine the empirical formula for a compound that is 36.86% N and 63.14% O by mass.
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