Chapter 6: Q15 P (page 142)

What concentration of $Fe {(CN)}_{6}^{4 -}$ (ferrocyanide) is in equilibrium with $1.0 μ M A g^{+}$ androle="math" localid="1663331502441" $A g_{4} F e {(C N)}_{6} (s)$ ? Express your answer with a prefix from Table 1-3.

Short Answer

Expert verified

$[F e {(C N)}_{8}^{4 -}]$ was calculated as $8.5 \times 10^{- 21} M$ .

Step by step solution

Concept used

Solubility product :

It is defined as the mathematical product of its concentration of the dissolved ions raised up to the power of their stoichiometric coefficient.

$M_{y} X_{z (s)} ⇋ y M^{z +} (a q) + z X^{y -} (a q) K_{s p} = {[M^{z +}]}^{y} {[X^{y -}]}^{z}$

Calculate the concentration of Ferrocyanide

$A g_{4} F e {(C N)}_{6} ⇋ 4 A g^{+} + F e {(C N)}_{6}^{- 4}$

Ferrocyanide is at equilibrium with $0.1 μ M A g^{+}$ and $A g_{4} F e {(C N)}_{6}^{4 -}$

$[{Ag}^{+}] [Fe {(CN)}_{6}^{4 -}] = K_{sp} {[1.0 \times 10^{- 6}]}^{4} [Fe {(CN)}_{6}^{4 -}] = 8.5 \times 10^{- 45} M [Fe {(CN)}_{6}^{4 -}] = 8.5 \times 10^{- 21} M = 8.5 zM$

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What concentration of $Fe {(CN)}_{6}^{4 -}$ (ferrocyanide) is in equilibrium with $1.0 μ M A g^{+}$ androle="math" localid="1663331502441" $A g_{4} F e {(C N)}_{6} (s)$ ? Express your answer with a prefix from Table 1-3.

Short Answer

Step by step solution

Concept used

Calculate the concentration of Ferrocyanide

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What concentration of Fe(CN)64-(ferrocyanide) is in equilibrium with1.0μMAg+ androle="math" localid="1663331502441" Ag4Fe(CN)6(s)? Express your answer with a prefix from Table 1-3.

Short Answer

Step by step solution

Concept used

Calculate the concentration of Ferrocyanide

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Chemical Analysis

Kinetics

Ionic and Molecular Compounds

The Earths Atmosphere

Organic Chemistry

Physical Chemistry

Study anywhere. Anytime. Across all devices.

What concentration of $Fe {(CN)}_{6}^{4 -}$ (ferrocyanide) is in equilibrium with $1.0 μ M A g^{+}$ androle="math" localid="1663331502441" $A g_{4} F e {(C N)}_{6} (s)$ ? Express your answer with a prefix from Table 1-3.