Problem: An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound?

FREE Expert Solution

We are being asked to determine the empirical formula of an iron chloride compound containing 55.85 grams of iron and 106.5 grams of chlorine.


    This means we need to do the following steps:


Step 1: Calculate the moles of Fe and Cl in the compound.

Step 2: Determine the lowest whole number ratio of Fe and Cl to get the empirical formula.



Step 1: The compound is composed of Fe and Cl and we’re given the mass of Fe (55.85 g Fe) and Cl (106.5 g Cl)

Since we have the mass of Fe and Cl given, we will compute the moles of Fe and Cl in the compound.


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Problem Details

An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound?

Frequently Asked Questions

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.