Question

1 mole of CO2 contains ? grams?

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Answer 1

The number of entities in a mole is given by the Avogadro constant, NA , which is approximately 6.022×1023 entities per mol. For CO2 the entity is a molecule made up of 3 atoms. Thus in 2 moles we have around, 2mol×6.022×1023 molecules mol−1 , which is 1.2044×1024 molecules.❤