Chapter 8: Q10P (page 183)

Including activity coefficient, find $[{Hg}_{2}^{2 +}]$ in saturated ${Hg}_{2} {Br}_{2}$ in localid="1654854633986" $0.001 00 M KBr$ .

Short Answer

Expert verified

The concentration of $[{Hg}_{2}^{2 +}]$ in saturated ${Hg}_{2} {Br}_{2}$ in $0.001 00 M KBr$ is $7 \times 10^{- 17} M$

Step by step solution

Step 1:Finding the activity coefficient of aqueous solution (Hg22+) and (Br-).

In the given problem, we need to find the activity coefficient along with concentration of $[{Hg}_{2}^{2 +}]$ in saturated in ${Hg}_{2} {Br}_{2} in 0.001 00 M KBr$ .

The solubility of is not quite expressed. So we will assume that,

$μ = 0.001 M = c ({Br}^{-})$

From the Table $8 - 1$ , we can know that the values are,

$μ ({Hg}^{2 +}) = 0.867 μ ({Br}^{-}) = 0.964$

Finding the concentration of (Hg22+) using equilibrium constant equation.

Now, we will use equilibrium constant equation,

$K_{sp} = 5.6 \times 10^{- 23} K_{sp} = (c ({Hg}_{2}^{2 +}) μ ({Hg}^{2 +})) \times (c^{2} (Br -)) 5.6 \times 10^{- 23} = (c ({Hg}_{2}^{2 +}) \times 0.867) \times (0 . 001^{2} \times 0 . 964^{2}) c ({Hg}_{2}^{2 +}) = 7 \times 10^{- 17} M$

Thus, the concentration of $({Hg}_{2}^{2 +})$ in saturated ${Hg}_{2} {Br}_{2}$ in localid="1654855580714" $0.001 00 M KBr$ is $7 \times 10^{- 17} M$

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Including activity coefficient, find $[{Hg}_{2}^{2 +}]$ in saturated ${Hg}_{2} {Br}_{2}$ in localid="1654854633986" $0.001 00 M KBr$ .

Short Answer

Step by step solution

Step 1:Finding the activity coefficient of aqueous solution (Hg22+) and (Br-).

Finding the concentration of (Hg22+) using equilibrium constant equation.

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Including activity coefficient, find [Hg22+]in saturated Hg2Br2in localid="1654854633986" 0.00100MKBr .

Short Answer

Step by step solution

Step 1:Finding the activity coefficient of aqueous solution (Hg22+) and (Br-).

Finding the concentration of (Hg22+) using equilibrium constant equation.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Chemical Reactions

Ionic and Molecular Compounds

Kinetics

Chemical Analysis

Nuclear Chemistry

Study anywhere. Anytime. Across all devices.

Including activity coefficient, find $[{Hg}_{2}^{2 +}]$ in saturated ${Hg}_{2} {Br}_{2}$ in localid="1654854633986" $0.001 00 M KBr$ .