Problem: Calculate the empirical formula of each compound from the percent composition. 5.13 g of Cr and 2.37 g of O

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We are being asked to determine the empirical formula of each compound from the percent composition.


 5.13 g of Cr and 2.37 g of 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 moles

Step 2: Determine the lowest whole number ratio


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Problem Details

Calculate the empirical formula of each compound from the percent composition.

 5.13 g of Cr and 2.37 g of O

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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.