The equivalent mass of a reductant or an oxidant is given by:
(a) Eq. mass = molar mass of reductant or oxidantno. of electrons lost or gained by 1 molecule of reductant or oxidant
(b) Eq. mass = molar massvalence
(c) Eq. mass = molar masstotal charge on cation or anion
(d) All of the above
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(a) The formula for Eq. mass of reductant or oxidant.