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29 January, 08:53

If i have 8 L of 0.25 M solution, how many miles of MgCl2 are present

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  1. 29 January, 12:27
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    2 moles

    Explanation:

    The following were obtained from the question:

    Molarity = 0.25 M

    Volume = 8L

    Mole = ?

    Molarity is simply defined as the mole of solute per unit litre of solution. It is represented mathematically as:

    Molarity = mole of solute/Volume of solution.

    With the above equation, we can easily find the number of mole of MgCl2 present in 8 L of 0.25 M MgCl2 solution as follow:

    Molarity = mole of solute/Volume of solution.

    0.25 = mole of MgCl2 / 8

    Cross multiply to express in linear form

    Mole of MgCl2 = 0.25 x 8

    Mole of MgCl2 = 2 moles

    Therefore, 2 moles of MgCl2 are present in 8 L of 0.25 M MgCl2 solution
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