To a solution of excess of KI in dilute H_(2)SO_(4). 25 mL of an unknown solution of KMnO_(4) were added. The liberated iodine was exactly reduced by 42.5 mL of N//10 Na_(2)S_(2)O_(3) solution. Calculate the concentration of KMnO_(4) solution.

To a solution of excess of KI in dilute H_(2)SO_(4). 25 mL of an unkno

1.	To a solution of excess of KI in dilute H_(2)SO_(4). 25 mL of an unknown solution of KMnO_(4) were added. The liberated iodine was exactly reduced by 42.5 mL of N//10 Na_(2)S_(2)O_(3) solution. Calculate the concentration of KMnO_(4) solution.
Answer» SOLUTION :N//A