4.0 moles of H2O would have what mass

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Particles vibrate in a rigid structure and do not move relative to their neighbors.