One litre of N/2 HCl solution is heated in a beaker. It was observed that when the volume of the solution was reduced to 600 mL, 3

One litre of N/2 HCl solution is heated in a beaker. It was observed that when the volume of the solution was reduced to 600 mL, 3.25 g of HCl in lost, calculate the normality of the new solution. in%​

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  1. Answer:

    0.685

    Explanation:

    The original of 0.5N HCl solution of 1 litre had 18.225 gm of HCl

    Initially 18.225gm of HCl was dissolved in 1 liter of solution

    After heating , mass of HCl dissolved in the reduced 600mL of solution was found to be (18.225−3.25)gm=14.975 gm

    Hence

    Normality of new solution=

    Volume of solution in litre

    Equivalent weight of HCl mass

    N=

    1000mL per litre

    600mL

    Equivalent weight of HCl

    14.497

    N=

    0.6 litre

    36.45

    14.497

    N=

    0.6 litre

    0.3977 Meq

    N=0.685

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