25.0 g of FeSO_(4).7H_(2)O was dissolved in water containing dilute H_(2)SO_(4) and the volume was made up to 1.0 L. 25.0 " mL of " this solution requried 20 " mL of " an (N)/(10) KMnO_(4) solution for complete oxidation the percentage of FeSO_(4)7H_(2)O in the acid solution is

25.0 g of FeSO_(4).7H_(2)O was dissolved in water containing dilute H_

1.	25.0 g of FeSO_(4).7H_(2)O was dissolved in water containing dilute H_(2)SO_(4) and the volume was made up to 1.0 L. 25.0 " mL of " this solution requried 20 " mL of " an (N)/(10) KMnO_(4) solution for complete oxidation the percentage of FeSO_(4)7H_(2)O in the acid solution is
Answer» `78%` `98%` `89%` `79%` Solution : `implies((W_(FeSO_(4).7H_(2)O)xx1000)/((278)/(1))=80` `impliesW_(FeSO_(4).7H_(2)O)=22.24` `implies% of FeSO_(4).6H_(2)O=(22.24)/(25)XX100%=88.96%`