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22 October, 13:33

If you had excess aluminum, how many moles of aluminum chloride could be produced from 15.0 gg of chlorine gas, Cl2Cl2? Express your answer to three significant figures and include the appropriate units.

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  1. 22 October, 13:44
    0
    Answer: 0.141mole of AlCl3 will be produced

    Explanation:

    2Al + 3Cl2 - > 2AlCl3

    Molar Mass of Cl2 = 2 x 35.5 = 71g/mol

    Mass conc. Of Cl2 = 15g

    n = Mass conc. / molar Mass = 15/71 = 0.211 mol

    From the equation,

    3 moles of Cl2 produced 2moles of AlCl3.

    0.211mole of Cl2 will produce = (0.211x2) / 3 = 0.141mole of AlCl3
  2. 22 October, 13:48
    0
    We will produce 0.141 moles of AlCl3

    Explanation:

    Step 1: Data given

    Mass of Chlorine gas = 15.0 grams

    Molar mass of Cl2 = 70.9 g/mol

    Step 2: The balanced equation

    2Al + 3Cl2 → 2AlCl3

    Step 3: Calculate moles Cl2

    Moles Cl2 = mass Cl2 / molar mass Cl2

    Moles Cl2 = 15.0 grams / 70.9 g/mol

    Moles Cl2 = 0.212 moles

    Step 4: Calculate moles AlCl3

    For 2 moles Al we need 3 moles Cl2 to produce 2 moles AlCl3

    For 0.212 moles Cl2 we'll have 2/3 * 0.212 = 0.141 moles AlCl3

    We will produce 0.141 moles of AlCl3
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