How many atoms are in 1.0 mole of #O_2#?

Answer 1

This question is the same as if your were asked, #"how many gloves are there in 1 dozen pairs of gloves?"#
Can you answer that?

#1# #"mole"# of stuff specifies #"Avogadro's number, "N_A,# #6.022xx10^23# individual items of stuff.

Here I have #N_A xx O_2# molecules. Clearly, there are #2xxN_A# oxygen atoms. What is the mass of this number of oxygen atoms?

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Answer 2

Axel Alvarado

One mole of O₂ contains about 6.022 x 10^23 atoms.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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