Calculate the equivalent weight of each oxidant and reducant in:
(a) `FeSO_(4) + KCl_(3) rarr KCl + Fe_(2) (SO_(4))_(3)`
(b) `Na_(2) SO_(3) + Na_(2)CrO_(4) rarr Na_(2) CrO_(4) rarr Na_(2) SO_(4) + Cr(OH)_(3)`
(c) `Fe_(3)O_(4) + KMnO_(4) rarr Fe_(2) O_(3) + MnO_(2)`
(d) `KI + K_(2) Cr_(2) O_(7) rarr Cr^(3+) + 3I_(2)`
(e) `Mn^(4+) rarr Mn^(2+)`
(f) `NO_(3)^(-) rarr N_(2)`
(g) `N_(2) rarr NH_(3)`
(h) `Na_(2) S_(2) O_(3) + I_(2) rarr Na_(2) S_(4) O_(6) + 2NaI`
(i) `FeC_(2)O_(4) rarr Fe^(3+) + CO_(2)`

Answer

(a) `152,20.42`, (b) `63.54`, (c) `232,52.67`, (d) `166,49`, (e) `27.5`, (f) `12.4`, (g) `4.67`, (h) `158.127`, (i) `48`