Which is the number of atoms in 4.5 moles of Hg, correctly written in scientific notation with the correct number of significant figures?

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Chemistry

Camilla Spencer

25 October, 09:43

Which is the number of atoms in 4.5 moles of Hg, correctly written in scientific notation with the correct number of significant figures?

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Fernanda Avila · Answer 1

Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

4.5 moles (6.022x10^23 atoms / 1 mol) = 2.7x10^24 atoms Hg.