How many moles are 1.20 x10^25 atoms of phosphorus?

Question

Chemistry

Zion Jimenez

21 December, 10:59

How many moles are 1.20 x10^25 atoms of phosphorus?

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Answers (1)

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Julianne Holt · Answer 1

1 mole of any substance contain Avogadro's number of molecules so we can calculate the number of moles by dividing the provided number of atoms over Avogadro's number to obtain the number of moles

Answer : 19.9 moles of phosphorus

Solution : Atoms / Avogadro's number (6.022 x 10 ²³ atoms/mol)

1.20 x 10 ²⁵ atoms / 6.022 x 10 ²³ = 19.927