What is the ratio of NH4 molecules before the reaction and NH4 molecules after the reaction?

60.0 - there are 3 significant numbers

The size is 8inches if ur a girl

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.