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27 May, 00:23

Consider the chemical formula for one unit of aluminum sulfate, Al2 (SO4) 3. How many total atoms would be present in 22 units of aluminum sulfate?

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  1. 27 May, 03:14
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    1.32*10²⁵ atoms of sulfate are contained in 22 units of it

    Explanation:

    1 unit = 1 mol

    Al₂ (SO₄) ₃ → Aluminum sulfate

    As 1 unit = 1 mol, 1 unit has 6.02*10²³ atoms of aluminum sulfate.

    Let's make a rule of three:

    1 unit of Al₂ (SO₄) ₃ contains 02*10²³ atoms

    Then, 22 units of Al₂ (SO₄) ₃ must contain (22. 6.02*10²³) / 1 = 1.32*10²⁵ atoms
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