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Sodium chloride is added slowly to a solution that is 0.010 M in Cu , Ag , and Au . The Ksp values for the chloride salts are 1.9 x 10-7, 1.6 x 10-10, and 2.0 x 10-13, respectively. Which compound will precipitate first

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jufsanabriasa

Answer:

AuCl

Explanation:

The solubility product constant, ksp, is defined as:

MₓYₙ(s) ⇄ xMⁿ⁺(aq) + nYˣ⁻(aq)

ksp = [Mⁿ⁺]ˣ + [Yˣ⁻]ⁿ

Thus, the higher ksp, the more soluble the compound is. Thus, the lower ksp the less soluble the compound is precipitating first. As the lower ksp is for Au, the first compound in precipitate is AuCl

I hope it helps!

okpalawalter8

is mathematically given as

Au=2.0 x 10^{-13}

What compound will precipitate first?

Question Parameter(s):

Sodium chloride is added slowly to a solution that is 0.010 M

The Ksp values for the chloride salts are

  • 1.9 x 10-7
  • 1.6 x 10-10
  • 2.0 x 10-13,

Generally, the equation for the Ksp  is mathematically given as

Ksp = [M^{n+}]ˣ + [Y^{x-}]^n

This shows that the solubility of a compound is directly proportional to the Ksp of the Compound

Therefore, the lower Ksp the more soluble the compound

In conclusion, the first compound to  precipitate will ve that with the lowest Ksp

Au=2.0 x 10^{-13}

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