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    bcg824 Posts: 1, Reputation: 1
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    #1

    Feb 23, 2010, 04:18 PM
    Molarity
    How many molecules of sucrose are in 0.5 L of a 1 molar solution of sucrose?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Feb 24, 2010, 07:40 AM

    1 molar solution means that there are 1 mole of solute per litre of solution.
    1 mole of any substance means that there are the Avogadro's constant number of particles, that is 6.02x10^23 particles.

    Can you find the answer now?
    1. Find the number of moles of sucrose in the 0.5 L solution.
    2. From the number of moles, you can find the number of molecules.
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