a metal oxide contains 60% metal.the equivalent weight of metal is :-
A)12
B)60
C)40
D)24
60% metal means the oxide contains 40% oxygen.
So, 100 g oxide contains 60 g metal and 40 g oxygen
Therefore, equivalent mass of metal = (mass of metal/ mass of oxygen) x 8
= (60/40) x 8
= 12