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Is 7. 54x1025 CO2 molecules heavier than 125. 5 moles of lead atom?.

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Nonsenseanswer50go

Answer:

  • A mole of a substance is equal to as many molecules of that substance as there are atoms of carbon-12 in exactly 12 g of carbon-12. This means that 1 mole of any substance is a weight, in grams, equal to that substance's molecular weight expressed in atomic mass units.

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