What Is 6.02 Times 10 to the 23rd Power?

6.02 times 10 to the 23rd power is the same as 602 followed by 21 zeros, or 602 followed by 21 zeros. This number is a reference to Avogadro’s number and sounds like “602 sextillion” when spoken out loud.

The Encyclopaedia Britannica says that Avogadro’s number is the number of atoms or molecules in one mole of any substance. This means that a mole always has the same number of units, no matter what kind of substance it is.

A mole has to do with the weight or mass of an atom. For example, one mole of carbon-12 atoms has an atomic weight of 12 grammes, while a mole of oxygen has an atomic weight of 16 grammes. Both have an Avogadro’s number of units. This shows that carbon is heavier than oxygen.


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