The oxide of an element contains `67.67%` of oxygen.
Equivalent weight of the element is

12 g of an element combines with 32 g of oxygen. What is the equivalent weight of the element if the equivalent weight of oxygen is 8?

A metal oxide has 40% oxygen. The equivalent weight of the metal is:

A metal oxide has 40% oxygen. The equivalent weight of the metal is:

An oxide of a metal contains 40% oxygen, by weight. What is the equivalent weight of the metal ?