Question

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%​

Answer 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