All Questions
Tagged with aqueous-solution solubility
209
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Why doesn't ethanol dissolve in sodium bicarbonate?
Today I experimented with different solvents and solutes and was a bit surprised by one result. When I added ethanol to dilute sodium bicarbonate and tapped the test tube against my palm to mix it, I ...
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Reacting ZnSO4 with KCl
I'm considering the following reaction:
$\ce{ZnSO4} + 2 \ce{KCl} \ce{->} \ce{ZnCl2} + \ce{K2SO4}$
The high solubility of $\ce{ZnCl2}$ would favour the $\ce{ZnSO4}$ & $\ce{KCl}$ direction of ...
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Is Phosphate (PO4 3-) solube in water? [closed]
Josh~
Superphosphate is used instead of just phosphate because superphosphate is a compound whereas phosphate is an ion. This means that phosphate must attach itself with a cation in order to give a ...
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1
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Why doesn't the expermintal molar solubility match the one calculated by the Ksp value?
For $\ce{HgCl2}$ ($M = \pu{271.52 g mol-1}$), the reported $K_\mathrm{sp}$ value is $10^{-15.69}$.
This means that the calculated molar solubility of $\ce{HgCl2}$ in water is $(10^{-15.69}/4)^{1/3}\...
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2
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1
answer
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Relationship Atmospheric Gases and Ocean Gases [closed]
If this question is better suited for the Earth Science StackExchange or another StackExchange please let me know.
Edit 1: Modified for clarity and brevity.
Something that's unclear to me is the ...
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0
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Solubility product constant of copper(II) bromide in water
One of the questions from chegg.com mentions $K_\mathrm{sp}(\ce{CuBr2}) = 6.3\cdot 10^{-10}$, but I suspect this value might be incorrect.
Could anyone confirm or refute that $K_\mathrm{sp}$ value?
...
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10
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1
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How to derive the conductivity titration curve which accounts for salt formation
I derived an equation that gave me the volume of base required to get a certain $\mathrm{pH}$:
In a titration between a weak acid $\ce{HA}$ and weak base $\ce{B}$ (adding base into acid solution) the ...
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2
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Reaction of Lead(II) Chloride and Ammonia
While searching how to identify cations in a solution I found that ammonia could be used to distinguish between $\ce{AgCl}$ and $\ce{PbCl2}$ precipitates after $\ce{HCl}$ had been added.
Why does ...
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1
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Solubility: Is the common ion effect proportional to individual solubility values?
I'm trying to grasp how solubility works in real applications. Is it so that in a solution with only one salt, it's solubility will change upon the addition of another salt with a common ion in a ...
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How do I go about either finding or calculating Aluminum-Oxalate salt solubility values in aqueous medium?
Water would contain other salts which may complicate things a bit. But finding out the Aluminum-Oxalate salts solubility values in pure water would be a good indicator already. It's for temperatures ...
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3
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Mixing cobalt(III) hydroxide and thallium(III) hydroxide
A simple question on solutions is driving me crazy. At this point, I think the textbook's wrong. Here's the question:
A saturated solution of cobalt(III) hydroxide $(K_\mathrm{sp} = \pu{1.6e-44})$ ...
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2
votes
1
answer
958
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How to find the concentration of barium ions in a mixture of barium sulfate and barium thiosulfate?
I have a hard time with selective precipitation problem.
A mixture of $\ce{BaSO4}$ and $\ce{BaS2O3}$ is shaken with pure water until a saturated solution is formed. Both solids remain in excess. ...
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Solubility of PbSO4
The solubility of $\ce{PbSO4(s)}$ increase with the addition of $\ce{H2SO4}.$ Why?
I don't quite understand this. When dissolving $\ce{PbSO4(s)}$ we get the equilibrium equation:
$$\ce{PbSO4(s) <=...
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Cleaning a stubborn Electrospray residue
I have an electrospray ionization capillary tip that sprays into a chamber that contains some circuit boards. An aqueous CsI sample is apparently causing a white residue to build up on these boards ...
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Precipitating silver(I) salts from the solution of barium(II) cyanate and iodide
Consider a $\pu{10.0 mL}$ solution containing $\pu{1.0e-10 M}$ each of $\ce{Ba(CN)2}$ and $\ce{BaI2}$. If $\pu{3.5e-9 mol}$ of $\ce{AgNO3(s)}$ is added to this solution, will any precipitate(s) form? ...
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