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Chemistry Question: What Is a Mole?

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What is a mole?

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A mole is a unit of mass that is commonly used in chemistry calculations. A mole is 6.022 x 10^23 atoms, molecules, or other collections of particles. The mass of one mole of a material is the gram formula mass of that substance.


  • You should know what a mole is because you'll encounter it in chemistry all the time!
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