A compound contains elements X and Y in 1 : 4 mass ratio. If the atomic masses of X and Y are in ratio 1 : 2, then empirical formula will be

A compound contains two elements 'X' and 'Y' in the ratio of 50% each. Atomic mass 'X' is 20 and 'Y' is 40. what can be its simplest formula?

A compound contains two elements 'X' and 'Y' in the ratio of 50% each. Atomic mass 'X' is 20 and 'Y' is 40. what can be its simplest formula?

The elements A and B form a compound that contains 60% A and 40% B by mass. The atomic mass of B is twice that of A. Find the empirical formula of the compound.

A compound contains carbon and hydrogen in the mass ratio 3:1. The formula of the compound is

A compound contains carbon and hydrogen in the mass ratio 3:1 . The formula of the compound is

A compound contains equal masses of the elements "A" ,"B" and "C" .If the atomic masses of "A" ,"B" and "C" are "20,40" ,and "60" ,respectively ,then the empirical formula of the compound is: