Question

Calcule o que se pede:
Al2O3 0,7 mol
a) m = ?
b) moléc = ?
c) v = ?

Answer 1

Massa molar: 101,96g

A) 1 mol --- 102g
0,7 mols --- x
x = 71,4g

B - 1 mol --- 6,02 x 10²³
0,7 mols ----- x
X = 4,21 x 10²³

C ) 1 mol -- 22,4L
0,7 mols --- x
x = 15,68L