Question
Calculate the solubility at
of CuBr in pure water and in a
solution. You'll find
data in the ALEKS Data tab.
Round both of your answers to 2 significant digits.
solubility in pure water:
solubility in
solution:
L
Calculate the solubility at
|
Round both of your answers to 2 significant digits. |
solubility in pure water: |
solubility in
|
|
L |
Ask by Thornton Norris. in the United States
Mar 26,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
To find the solubility of CuBr in pure water and in a
solution, follow these steps:
-
Find
for CuBr from the ALEKS Data tab. -
Calculate solubility in pure water:Round to 2 significant digits.
-
Calculate solubility in
: Round to 2 significant digits.
Provide the
value to get the exact solubility.
Solution
To calculate the solubility of CuBr in pure water and in a
solution, we need to follow these steps:
-
Find the
value for CuBr: This value is typically provided in the data tab. Let’s denote it as . -
Set up the solubility equilibrium:
- The dissolution of CuBr can be represented as:
- The solubility product expression is:
- The dissolution of CuBr can be represented as:
-
Calculate the solubility in pure water:
- Let
be the solubility of CuBr in mol/L. Then: - Solve for
:
- Let
-
Calculate the solubility in
: - In this case, the concentration of Br
ions from CoBr will affect the solubility of CuBr. The equilibrium will be: - Let
be the solubility of CuBr in this solution. Then: - Solve for
:
- In this case, the concentration of Br
Now, please provide the
value for CuBr so we can proceed with the calculations.
Answered by UpStudy AI and reviewed by a Professional Tutor
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Bonus Knowledge
To find the solubility of CuBr in pure water and in a
solution, we need the solubility product constant (
) value for CuBr, which can typically be found in data references. Assuming the
is provided, let’s break it down step by step.
-
Solubility in Pure Water:
The dissolution of CuBr can be represented by the equation:If the solubility of CuBr in water ismol/L, then: Thus,Substitutevalue to find in mol/L, then convert it to g/L using the molar mass of CuBr (approximately 143.45 g/mol). -
Solubility in
Solution:
In the presence of, which dissociates to give and , the concentration of increases. For , the concentration of contributing to the equilibrium will be . Therefore: Rearranging gives:This concentration of Cu will be your solubilityin the presence of the .
Now, simply plug in the
value you’ve found and do the calculations! After solving, round your results to two significant digits for both solubility in pure water and the
solution.