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17 March, 00:52

How many moles of Ca (No3) 2 are dissolved in 4.55 kg of water in a 0.68 m solution

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  1. 17 March, 01:18
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    3.094 moles of Ca (No3) 2 are dissolved in 4.55 kg of water in a 0.68 m solution

    Explanation:

    1 Kg=1 L for pure water at 4 degrees. So assuming the solvent as pure water, the volume of solution is 4.55 Kg.

    Molarity of the solution is given as 0.68

    From the formula:

    C=n/V (C concentration of solution) and V (volume of the solution)

    n = C*V

    = 0.68*4.55

    = 3.094

    3.904 of solute is dissolved to make 4.55 liters of solution to obtain a 0.68 m solution
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