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If an aqueous solution of ____ is added to a mixture of Pb2+ and Ba2+, the lead ion will precipitate, but the barium ion will remain in solution.

ANaOH

BNa2SO4

CK3PO4

DKCO3

ECa(CH3CO2)2

Verified Answer :

the aqueous soution if added to a mixture of Pb2+ and Ba2+, the lead ion will precipitate, but the barium ion will remain in solution is: a. NaOh.
Pb(OH)2 participate, but Ba(OH)2 solution. B, C & D both of Pb2+ and Ba2+ is participate.

hope this help

jufsanabriasa

Answer:

A. NaOH

Explanation:

The reaction of these ions with the following reactants produce:

A. NaOH

Pb(OH)₂ insoluble

Ba(OH)₂ soluble

The addition of NaOH will precipitate Pb²⁺ as Pb(OH)₂ and Ba²⁺ will remain in solution

B. Na₂SO₄

PbSO₄ insoluble

BaSO₄ insoluble

Both Pb²⁺ and Ba²⁺ will precipitate in an aqueous solution

C. K₃PO₄

Pb₃(PO₄)₂ insoluble

Ba₃(PO₄)₂ insoluble

Both Pb²⁺ and Ba²⁺ will precipitate in an aqueous solution

D. K₂CO₃

PbCO₃ insoluble

BaCO₃ insoluble

Both Pb²⁺ and Ba²⁺ will precipitate in an aqueous solution

E. Ca(CH₃CO₂)₂

Pb(CH₃CO₂)₂ soluble

Ba(CH₃CO₂)₂ soluble

Both Pb²⁺ and Ba²⁺ will remain in an aqueous solution

I hope it helps!

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