One litre of N/2 HCI solution is heated in a beaker.It was observed that when the volume of the solutionwas reduce to 600 mL, 3.25 g of Hc in lost,calculate the normality of the new solution (1) 1.70 (2) 0.685 (3) 0.342 (4)0.171
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1 L of a 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 is lost. Calculate the normality of the new solution. A. 1.70 NB. 0.685 NC. 0.342 ND. 0.171 N
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Solution : `underset({:(0.5 N xx 1 L),(= 0.5 Eq),(= 0.5 xx 363.5 g),(= 18.25 g):})(HCl) overset(Delta)rarr underset(600 mL)(HCl)` <br> Mass of `HCl` left after heating `= 18.25 - 9.125` <br> `= 9.125 g` <br> `N_("new")` of `HCl = (9.125 xx 1000)/(36.5 xx 600) = 0.416 N`