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11 February, 08:10

How many atoms are present in 20.9 g of titanium

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  1. 11 February, 08:19
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    atoms Ti = 2.193 E23 atoms

    Explanation:

    1 mol ≡ 6.022 E23 atoms mm Ti = 47.867 g/mol

    ⇒ atoms Ti = (20.9 g Ti) * (mol/47.867 g) * (6.022 E23 atoms/mol)

    ⇒ atoms Ti = 2.193 E23 atoms
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