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MissPhiladelphia
In order to determine the number of protons in 20.02 mol of Ne, we use Avogadro's number to convert the number of moles to number of atoms, 1 mol = 6.022 x 10^23 atoms. From there, we must know the number of protons in a Neon atom, which is 10. Thus, the formula will be:

(20.02 mol Ne)x(6.022 x 10^23 atoms/mol)x(10 protons/1 atom Ne) =
1.2056 x 10^26 protons 
anniwuanyanwu1

Answer: There are 1.216×10^26 protons in 20.02mole of neon

Explanation:

Using Avogadro's number

1 mole of neon contains 6.023×10^23 neon atoms.

I atm contains 10 protons

Number of protons = (6.023×10^23)×20.02×10= 1.216×10^26

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