How to convert 1.2×10^24 atoms of magnesium into moles??

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09-05-2018
Chemistry

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How to convert 1.2×10^24 atoms of magnesium into moles??

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theatrelover11 theatrelover11 · Answer 1 · 2018-05-09T01:57:39+02:00

Mole Road Map:
                ÷           ×
Mass (grams) ⇄ Moles ⇄ Particles (atoms, molecules, etc.)
                      ×           ÷
                    ↓           ↓
             Molar Mass 6.02 × 10^23 (Avogadro's number)

(1.2 × 10^24 atoms of Magnesium) ÷ (6.02 × 10^23) ≈ 2.0 mol Magnesium (according to significant figures)