Question

The ratio of the masses of nitrogen and hydrogen present in lg of ammonia is 14:3. How many times
the mass of lg of hydrogen atoms would nitrogen weigh in 2.5 g of ammonia?​

Answer 1

Answer: The ratio by number of atoms can be found as:

Element N H

Ratio by Mass 14 3  

Atomic mass (u) 14 1  

Mass ratio   Atomic mass 14/14 =1 AND 3/1 =3

Simplest ratio 1 3