To 20 mL of a copper solution after necessary treatment were added excess of KI and the liberated iodine required 11.2 mL decinormal solution of hypo. Express the strength of the original solution in grams of copper per litre of the solution.

To 20 mL of a copper solution after necessary treatment were added exc

1.	To 20 mL of a copper solution after necessary treatment were added excess of KI and the liberated iodine required 11.2 mL decinormal solution of hypo. Express the strength of the original solution in grams of copper per litre of the solution.
Answer» SOLUTION :N//A