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22 February, 07:12

Find the molarity of 186.55 g of sugar (C12H22O11) in 250. mL of water.

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  1. 22 February, 07:19
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    The molarity of this sugar solution in water is 2.18 M

    Explanation:

    Step 1: Data given

    Mass of sugar (C12H22O11) = 186.55 grams

    Molar mass of C12H22O11 = 342.3 g/mol

    Volume of water = 250.0 mL = 0.250 L

    Step 2: Calculate moles sugar

    Moles sugar = mass sugar / molar mass sugar

    Moles sugar = 186.55 grams / 342.3 g/mol

    Moles sugar = 0.545 moles

    Step 3: Calculate molarity of the sugar solution

    Molarity = moles sugar / volume of water

    Molarity = 0.545 moles / 0.250 L

    Molarity = 2.18 MThe molarity of this sugar solution in water is 2.18 M
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