massa dari 2 mol NaOH adalah

Stoikiometri

Mr NaOH = Ar Na + Ar O + Ar H
Mr NaOH = 23 + 16 + 1
Mr NaOH = 40

m = n x Mr
m = 2 mol x 40
m = 80 gram

diket : Mr NaOH : 40
2 mol
dit? massa?
jawab
m = mol × Mr
= 2× 40
= 80 gr
^-^