Question

fast as can pleases

Answer 1

1, potassium nitrate
3'water

Answer 2

ii)a. potassium nitrate

  b. aluminium sulfate

  c . water

i) no.of particles =given mass/molar mass *avagadro number

                        =46*6.022*10^23/23

                        =1.2044*10^24

ii)The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.