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

###### FREE Expert Solution
100% (436 ratings)
###### 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.

100% (436 ratings) ###### Problem Details

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

What scientific concept do you need to know in order to solve this problem?

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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Our tutors rated the difficulty ofA sample of an unknown contains 30.4% nitrogen and 69.6% oxy...as low difficulty.

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Our expert Chemistry tutor, Dasha took 3 minutes and 4 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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