Problem: How many aluminum atoms are there in 13.4 g of aluminum oxide, Al2O3?

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For this problem, we’re being asked to determine the number of aluminum atoms found in 13.4 g  aluminum oxide, Al2O3 . The flow for this problem will be like this:


Mass of Al2O3(molar mass of Al2O3)  Moles of  Al2O3 (mole-to-mole comparison) Moles of Al (Avogadro’s number)  Atoms of Al


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Problem Details

How many aluminum atoms are there in 13.4 g of aluminum oxide, Al2O3?

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 Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.