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11 November, 19:36

How many moles of HBr are present in 250 ml of a 0.15 M HBr solution?

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  1. 11 November, 21:36
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    0.0375 moles HBr

    Explanation:

    we are given;

    Molarity of HBr solution as 0.15 M Volume of the solution as 250 mL

    We are required to determine the number of moles;

    We need to know that;

    Molarity = Moles : Volume

    Therefore;

    Moles of HBr = Molarity of HBr solution * Volume of solution

    Thus;

    Moles of HBr = 0.15 M * 0.25 L

    = 0.0375 Moles

    Thus, the number of moles of HBr solute is 0.0375 moles
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