Question

Problema 8 rapid rezolvare completa

Answer 1

Avem 3 g de eter (adica dietil eterul CH3-CH2-O-CH2-CH3) si 1,5 g acetona (CH3-CO-CH3).
ms=3+1,5=4,5 g solutie
c=md*100/ms => c= 3*100/4,5= 66.666 %