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30 June, 19:12

How many atoms would be contained in 549 grams of zinc

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  1. 30 June, 21:06
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    5.05 * 10²⁴ Zn Atoms

    Explanation:

    In order to find the number of atoms we will follow these two steps;

    Step 1: Finding out the moles of Zn as;

    Moles = Mass / A. Mass

    Moles = 549 g / 65.38 g/mol

    Moles = 8.397 moles

    Step 2: Calculating No. of Atoms as:

    According to Avogadro's Law, each mole contains 6.022 * 10²³ particles. These particles can be any entity i. e. atoms, molecules, formula units, ions e. t. c. So,

    No. of Atoms = Moles * 6.022 * 10²³ atoms/mol

    No. of Atoms = 8.397 mol * 6.022 * 10²³ atoms/mol

    No. of Atoms = 5.05 * 10²⁴ Zn Atoms
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