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6 August, 06:25

25.0 ml of a 6.0 m stock solution is diluted using water to 100 ml. How many moles of are present in the dilute solution? 6.0 moles 0.6 moles 0.15 moles 1.5 moles

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  1. 6 August, 06:45
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    The number of moles is 0.15 moles

    Explanation:

    Given data

    The volume of the solution is 25.0 mL = 25 * 10^-3 L

    The molarity of the solution is 6.0 M

    This means the number of moles in this solution is: 6.0 M * 25 * 10^-3 L = 0.15 moles

    This solution will be diluted, by increasing its volume to 100 mL = 100*10^-3 L

    The new solution has 0.15 moles in 100 mL

    The Molarity of this solution will change, but the number of moles will not change.

    The number of moles is still 0.15 moles
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