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24 January, 22:19

A bottle of wine contains 0.21 moles of ethanol, C2H5OH. The volume of the solution is 0.1 L. Calculate the molarity.

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  1. 24 January, 23:42
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    2.1mol/L

    Explanation:

    Number of moles = 0.21 moles

    Volume = 0.1L

    Molarity of a substance is the number of moles of solute dissolved in a volume of solvent (L)

    Molarity = number of moles / volume of solvent

    Molarity = 0.21 / 0.1

    Molarity = 2.1mol/L
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