Adding helium to a balloon increased its volume from 821.8 ml to 4.485 l. if the final number of moles of helium in the balloon is 32.0 mol, what was the initial number of moles of helium in the balloon? assume the balloon contained only helium initially.

It is sure ( overimitation)

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.

Answerthe same as;