What is the n-factor for `HNO_(2)` in the reaction `3HNO_(2)rarr HNO_(3)+2NO+H_(2)O`?

What is the equivalent weight of HNO_(3) in the given reaction? 4Zn+10HNO_(3) rarr 4Zn(NO_(3))_(2)+NH_(4)NO_(3)+3H_(2)O

The equivalent weight of HNO_(3) (molecular weight =63 ) in the following reaction is 3Cu+8HNO_(3)rarr3Cu(NO_(3))_(2)+2NO+4H_(2)O

The equivalent weight of HNO_(3) (molecular weight =63 ) in the following reaction is 3Cu+8HNO_(3)rarr3Cu(NO_(3))_(2)+2NO+4H_(2)O

What mass of HNO_(3) is needed to convert 5 gm of iodine into iodic acid according to the reaction? I_(2) + HNO_(3) rArr HIO_(3) + NO_(2) + H_(2)O