alyssagandaria77 alyssagandaria77

23-01-2021
Chemistry

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How many moles of iron in a sample that contains 7.91×10^23 atoms of iron?

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Ayaan707 Ayaan707

23-01-2021

Answer: 1.31

Explanation:

No.of moles = given no.of atoms/Avagadro number

= 7.91×10^23 / 6.022 x 10^23

= 1.31

therefore, no.of moles = 1.31

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