morganberry2131 morganberry2131
  • 20-11-2017
  • Chemistry
contestada

Determine the molar solubility of pbso4 in pure water. ksp (pbso4) = 1.82 x 10-8.

a. 1.82 x 10-8 m

b. 1.35 x 10-4 m

Respuesta :

meerkat18
meerkat18 meerkat18
  • 30-11-2017
Use the ICE table approach as solution:

           PbSO₄   --> Pb²⁺ + SO₄²⁻
I             -                 0          0
C           -                +s         +s
E           -                  s          s

Ksp = [Pb²⁺][SO₄²⁻]
1.82×10⁻⁸ = s²
Solving for s,
s = 1.35×10⁻⁴ M
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