Question

2.79
The oxide of a metal contains 60% of the
metal. What will be the percentage of
bromine in the bromide of the metal, if
the valency of the metal is the same in
both the oxide and the bromide?
(1) - 87
(2) = 70
(4) - 93
(3) = 77​

Answer 1

Answer:

-87is the correct one I hope