What mass of sodium could be produced by the reaction of 3.30x1025 atoms of calcium with excess sodium nitrate?

They cool it down and aluminum cools easily

Self-ionizes to form an equilibruium system in which [ h_{3} o^{+} ]=[ oh^{-} ]=10^{-7} m

Answerchemical;

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.