what is the molarity of a solution prepared by dissolving 0.330 mol Ca(NO3)2 is enough water to produce 355mL solution?

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.