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8 February, 04:12

A dehydration reaction starting with 3.8 g cyclohexanol produces 2.6 g cyclohexene. Calculate the theoretical yield for this reaction. Report your answer with two significant figures.

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  1. 8 February, 04:55
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    Theoretical yield of C6H10 = 3.2 g.

    Explanation:

    Defining Theoretical yield as the quantity of product obtained from the complete conversion of the limiting reactant in a chemical reaction. It can be expressed as grams or moles.

    Equation of the reaction

    C6H11OH - -> C6H10 + H2O

    Moles of C6H11OH:

    Molar mass of C6H110H = (12*6) + (1*12) + 16

    = 100 g/mol

    Mass of C6H10 = 3.8 g

    number of moles = mass/molar mass

    =3.8/100

    = 0.038 mol.

    Using stoichoimetry, 1 moles of C6H110H was dehydrated to form 1 mole of C6H10 and 1 mole of water.

    Therefore, 0.038 moles of C6H10 was produced.

    Mass of C6H10 = molar mass * number of moles

    Molar mass of C6H10 = (12*6) + (1*10)

    = 82 g/mol.

    Mass = 82 * 0.038

    = 3.116 g of C6H10.

    Theoretical yield of C6H10 = 3.2 g
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