Get an AnswerGreatest proportion by mass of nitrogen is inSmart Writing ServicesOctober 25, 2017 1:02 pmOctober 25, 2017Previous ArticleFrom top to bottom in a group of the periodic table the atomic radiiNext ArticleConsider the reaction: Na(s) + H2O → NaOH(aq) + H2(g). Moles of H2O required