For the reaction 3H2(g)+N2(g)=2NH3(g) what volume of NH3(g) measured at STP is produced when 2.15 L of H2(g) reacts?

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Answer two atoms of oxygen;

Answerthe same as;