Odpowiedzi

2009-10-12T17:59:28+02:00
Zad 1.
n= 1,5 mola
V = 2dm³
Cm= n÷V = 1,5÷2 = 0,75 [mol/dm³]

Zad 2.
M= 16 + 2×1= 18 [g/mol]

1 mol - 18g
x mola - 36 g

x= (1mol × 36g) ÷ 18g = 2 mole (H₂O)