Question

What is mole concept and gayle laussac law

Answer 1

   According to Gay-Lussac's Law Of Combining Volume:

"Gases react in the ratio of small whole numbers by volume under 
similar conditions of temperature and pressure".

   For example:
   Nitrogen and hydrogen react to form ammonia gas.

N2 + 3H2 è 2NH3

   In this example one volume of nitrogen gas reacts with three volumes of hydrogen gas to produce two    volumes