How many moles are contained in 3.131x10^24 particles

- 5.199 moles.

Solution:- To do the conversion from number of particles to moles, we use Avogadro number. Given number of particles is divided by Avogadro number and we get the moles.

Avogadro number is . The calculations are given below:

= 5.199 moles

So, there would be 5.199 moles in particles.

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it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.