Problem: How many atoms of gold (Au) are present in a sample of 2.5 mol Au?

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We’re being asked to calculate the number of atoms of gold (Au) present in a sample of 2.5 mol Au?.


We can calculate the number of gold atoms using the following steps:

moles Au (Avogadro's number) → atoms Au

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How many atoms of gold (Au) are present in a sample of 2.5 mol Au?

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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 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.