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4 November, 19:56

How many moles of NH3 are in 0.250 L of a 5.00 M aqueous solution?

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  1. 4 November, 20:22
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    Data Given:

    Molarity = 5.0 mol/L

    Volume = 0.250 L

    Solution:

    As we know a concentration unit, Molarity is the number of moles dissolved per unit volume of solution ...

    Molarity = Moles / Volume of Solution

    As, we are in need of moles, so solve above equation for moles, i. e.

    Moles = Molarity * Volume

    Putting Values,

    Moles = 5 mol. L⁻¹ * 0.250 L

    Moles = 1.25 Moles
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