Question

If 100ml of cuso4 solution added to an excess of ki requires 50ml of 0.2 m na2s2o3, the molarity of cuso4 solution is

Answer 1

when KI is reacted with CuSO4 I2 is liberated. ... V = 10/0.8 => 100/8 = > 50/4 => 25/2 = 12.5 ml. 2 years ... In the book to which I referred the answer is given as 50 ...