Question

1)Calculati compozitia procentuala a NaOH , stiind : A Na = 23 , A O = 16 , A H =1

Answer 1

23g Na.......16g O........1g H..........40g NaOH

x..................y.................z.................100g NaOH

x = 2300/40 = 57,5% Na

y = 1600/40 = 40% O

z = 100/40 = 2,5% H