Problem: A sample of an unknown contains 30.4% nitrogen and 69.6% oxygen. What is the empirical formula for this compound?

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FREE Expert Solution

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.


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Problem Details

A sample of an unknown contains 30.4% nitrogen and 69.6% oxygen. What is the empirical formula for this compound?


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Our tutors have indicated that to solve this problem you will need to apply the Empirical Formula concept. You can view video lessons to learn Empirical Formula. Or if you need more Empirical Formula practice, you can also practice Empirical Formula practice problems.

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Based on our data, we think this problem is relevant for Professor Kunkel's class at UCSB.