" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
V = 500 ml = 0,5 L
Kb = 10⁻⁵
Mr = 132
Dit : berapa gram (NH₄)₂SO₄ = ···?
Jwb :
(H⁺) = √ Kw . Mg
Kb
10⁻⁵ = √ 10⁻¹⁴ . Mg
10⁻⁵
(10⁻⁵)² = 10⁻¹⁴ . Mg
10⁻⁵
Mg = 10⁻¹° . 10⁻⁵
10⁻¹⁴
= 10⁻¹
= 0,1 M
M = mol
L
0,1 = mol
0,5
mol = 0,1 . 0,5
= 0,05
mol = gram
Mr
0,05 = gram
132
gram = 0,05 . 132
= 6,6 gram