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6 October, 00:40

How many atoms are in 2.5 moles of beryllium atoms?

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  1. 6 October, 02:45
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    N (Be) = 2.5 mol

    Nₐ=6.022*10²³ mol⁻¹

    N=n (Be) * Nₐ

    N=2.5 mol * 6.022*10²³ mol⁻¹ = 1.5055*10²⁴ atoms
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