Question

Suppose a compound X is made up of two elements A and B. If the ratio by mass of A B in a molecule of X is 14:3, then calculate the ratio by number of atoms for the same. [Atomic mass of A = 14 u, B = 1 u]​

Answer 1

Answer:

1:3

Explanation:

Let there be 'a' number of atoms of A, and 'b' number of atoms of B;
Mass of A = 14*a

Mass of B = 1*b

Ratio of Mass of A to B = 14a/b = 14/3

⇒a/b = 1/3

Therefore, ratio of number of atoms of A to B = 1:3