Questions tagged [solubility]
For questions related to the solubility of compounds in various solvents, especially in water. Do not confuse with [solutions] or [aqueous-solution].
883
questions
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Did I accidentally create phosgene gas [closed]
I accidentally mixed bleach and acetone trying to remove hair dye stains from my shower wall. The mixture turned orange when the bleach and acetone touched. Could I have created phosgene gas ...
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0answers
67 views
The equation representing the dissolution of cycasin [closed]
Is the following equation correct?
$$\ce{{C_8H_{16}N_2O_7}_{(s)} + H2O_{(l)} <=> {C_8H_{16}N_2O_7}_{(aq)}}$$
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3answers
3k views
How to dissolve chalk (CaCO3)?
I've read that vinegar can dissolve $\ce{CaCO3}$, I know that extreme heat can decompose it, but how to dissolve $\ce{CaCO3}$ at home? I need to dissolve chalk in my home because of repairing ...
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1answer
19 views
Concerning Solubility Product Equations and Phases? [closed]
NaOH(?) <---> $Na^+$(aq) + $OH^-$(aq)
What is the phase of the NaOH, I originally thought it was Aqueous due to it being readily soluble in water but I also heard that it was common practice to ...
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1answer
51 views
Double Replacement Reaction in which everything cancels out
We are currently trying to work out the double replacement solubility reaction for Nickel (III) Nitrate and Rubidium Sulfate.
$$\ce{Ni(NO3)3 + Rb2SO4 -> Ni2(SO4)3 + RbNO3}$$
Balancing gives:
$$\...
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1answer
458 views
Why Calcium Oxalate is insoluble in acetic acid?
Calcium oxalate is insoluble in acetic acid, but not it's carbonate, oxide and hydroxide.
From internet, it is even considered as a test to distinguish calcium oxalate from it's carbonate and oxide. ...
4
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1answer
9k views
The solubility of different compounds relative to each other in water
Which of the following has the least solubility?
$\ce{NH4HCO3, NaCl, NH4Cl, NaHCO3}$
The answer is given as $\ce{NaHCO3}$, but I don’t understand why.
Solubility is a chemical property ...
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1answer
512 views
DIY Hand Sanitizer Clumping [closed]
Hand sanitizer is impossible to find around me and I have 4 family members who are essential and not around a sink or soap during their work day (delivery drivers), and they are out. I make a lot of ...
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2answers
518 views
Is Magnesium Oxide alkali [closed]
Given that Magnesium Hydroxide is an alkali, can we say Magnesium Oxide is an alkali since dissolving Magnesium Oxide in water can produce Magnesium Hydroxide?
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4answers
3k views
Why is solubility often listed as a chemical property? Isn't the action of dissolving just a physical change? [closed]
I am making a list of basic physical vs chemical properties.
I have been taught that when salt dissolves in water it is simply a special kind of mixture called a solution.
I have been taught that ...
2
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1answer
281 views
What is the relationship between dipole moment and solubility? [closed]
I thought a large dipole moment meant the substance was polar, so I'm confused by the following statement (from Wikipedia) that "With a dipole moment of 3.92 D, acetonitrile dissolves a wide range of ...
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3answers
6k views
Can all water soluble ionic compounds conduct electricity?
I'm taking a first year university chemistry course, and I am reading a lot of contradicting things. Some people say that ionic compounds that are soluble in water are always electrically conductive, ...
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1answer
60 views
How can I make AgNO3 more basic? [closed]
Is there anything that I can add to the AgNO3 solution that will make it more basic without forming a precipitate such as reacting with OH or HCl?
Please be more specific and give an example.
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1answer
89 views
What is the solubility of d-Glucose in water as a function of temperature? [closed]
I can't find solubility of d-Glucose in water as a function of temperature.
I.e. a function that can tell me that at 35 Celsius the maximum amount of d-Glucose that can be dissolved in 100g water is ...
1
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1answer
85 views
Chemical equilibrium — why multiplication, rather than addition? [duplicate]
Why do we multiply (and not take the sum) the concentration of products and reactants when more than one entity is present in either side and rise the power to the coefficient term?
Suppose either
$$...
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3answers
792 views
Is there any difference between getting dissolved and getting dissociated?
In the context of electrolytes only, is there any difference between electrolyte getting dissolved and electrolyte getting dissociated?
According to my professor, they are different. He says a ...
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1answer
16 views
Heterogeneous ion solution
I am a college student and for my chemistry of solutions class, I had a lab where we had to titrate orange juice to check the calcium content. However, the experimental results are 20% off the ...
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0answers
50 views
What are some possible classification tests that one can use for o-nitrobenzoic acid?
I have analyzed an IR spectrum and found out that my compound (o-nitrobenzoic acid) has a nitro group, carboxylic group, and benzene ring.
I was curious to know: if regioselectivity effects the ...
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0answers
22 views
How would you describe the energy of solution formation involved in the dissolution of sodium chloride in vinegar?
I have found that the lattice energy of dissolving salt in water is 779 kJ/mol. While 774 kJ/mol is its hydration energy. Subtracting the two values gives a positive number therefore dissolving table ...
1
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1answer
47 views
Discrepancy between the apparent volume of the solution and the volume of the solute arising from the definition of solubility
I have solubility $s$ given in $\pu{g/mL}.$ I understand this as mass of solute $m$ divided by volume of solvent $V.$
But how about the volume of the resulting solution? I read online I should pour ...
2
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0answers
23 views
Would the hydrocarbon gas dissolve in gelled oil based drilling mud (OBM)
I am an oil well integrity engineer. Need help in understanding gas solubility in oil-based drilling mud (OBM) when the mud is gelled. Normally, oil based mud is an emulsion, where continuous phase ...
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2answers
13k views
Why CCl4 does not dissolve in water while SiCl4 does?
Why $\ce{CCl4}$ does not dissolve in water while $\ce{SiCl4}$ does?
Does it have to do with d-orbitals? If yes, then how are they related?
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2answers
191 views
Solubility Of Benzoic Acid [closed]
Why is benzoic acid well soluble in benzene (and other unpolar solvents, see e.g. wikipedia). What causes the hydrogen bonds in the solid to break? Something (i.e. polar and ionic substances) is ...
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2answers
44 views
Calculating the solubility of cuprous iodide
I am clearly missing something obvious here. I get the $\mathrm{K_{sp}}$ from the CRC for $\ce{CuI}$ as $1.27\cdot10^{-12}$.
So, $\ce{CuI-> Cu+ + I-}$
So the formula ought to be
$$\mathrm{K_{...
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1answer
96 views
Difference of Ascorbic acid dissolved or precipitated in Glycerol?
Difference of Ascorbic acid (AA) dissolved or precipitated in Glycerol?
Referring to pat US20110008445A1
Solution 1
At 25C, AA was dissolved in glycerol and alcohol (subsequently removed by ...
0
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1answer
44 views
Why is it not practical for insoluble salts to be prepared from other insoluble salts? [closed]
My textbook says that it is not practically feasible to make insoluble salts (say PbSO4) from other insoluble salts (say PbO), without explicitly mentioning the reason for the same.
My guess is: if ...
6
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2answers
3k views
Improving efficiency of absorption refrigerator (ammonia+hydrogen)
Apologies if this is not the right forum for this question, I checked the Physics side and there's no questions on this, whereas there's at least one other question here about absorption refrigeration....
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2answers
64 views
Can the solubility of a compound be used to estimate the degree of separation of a solute from a solution?
I'm confused exactly on how to use the concept of solubility to get the amount of separation from a certain solute in the solution.
This arises from attempting to solve a problem regarding this ...
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3answers
25k views
Why does the solubility of some salts decrease with temperature?
It is well known to us that the Solubility of solute in a solution increases with the increase in the temperature because, when the temperature increases the molecules of the solvent gain more kinetic ...
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0answers
197 views
How to dissolve salicylic acid into a solution with humic acid [closed]
I'm not a chemist but I am trying to make a product to be used as a foliar spray on turfgrass for my own use. The product I'm trying to make is:
12% Humic acid ($\mathrm{pH =}$ 3.5-4.0)
2% Fulvic ...
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2answers
489 views
Reason for Exothermic reaction? [closed]
Why dissolving sodium hydroxide in water is an exothermic process. What causes the evolution of heat when dissolving sodium hydroxide in water?
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2answers
67 views
Solubility and wetting of substances in water [closed]
We have seen that, when we pour salt in water then it gets dissolved, that means it is soluble in water. But when we pour sand into water then it doesn't dissolve in water, that means it is insoluble, ...
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0answers
29 views
What's a non-toxic flavorless water-soluable chemical I could use for freezing point depression when making ice cream?
I'd like to make a savory version of ice cream. So I can't use sugar or any artificial sweeteners for the freezing point depression needed to control ice crystal sizes. What can I use?
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0answers
52 views
Looking for color changing reaction to track snow layer depth
I'm trying to find a chemical to mark the position of a snow layer with for detection in future seasons.
The substance has to be:
1. Colorless
2. Not water soluble/solid
3. Stable for multiple years
...
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1answer
96 views
Contradictions in acidity and solubility of phenol derivatives
o-Nitrophenol is less acidic in comparison to p-nitrophenol due to intramolecular hydrogen bonding. This effect also is the reason for o-nitrophenol being less soluble in water.
At the same time, ...
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2answers
256 views
Will NaF + CaCO3 precipitate much CaF2?
If I mix sodium fluoride, calcium carbonate powder, and water, under what conditions (if any) would there be an equilibrium?
I.e. assume we start out with fully dissociated $\ce{Na+(aq) + F-(aq)}$, ...
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1answer
34 views
Is there a name, or any specific jargon for a precipitation equilibrium involving a solid reactant?
Let's say you have some ions in solution, for example Na+(aq) and OH-(aq), and some partially dissolved solid, MgCO3(s), Mg+2(aq) and CO3-2(aq), which precipitates Mg(OH)2(s) until equilibrium.
So ...
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0answers
8k views
What exactly is going on in this reaction: sodium bicarbonate (supersaturated aqueous), isopropyl alcohol, and acetic acid (vinegar)?
I had observed this reaction by playing around with vinegar and baking soda and do not completely understand it.
Everyone knows that baking soda and vinegar goes crazy and starts creating carbonic ...
4
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3answers
137 views
Does brewing tea with hard water reduce the amount of bioavailable fluorine?
I read that brewed tea contains a relatively large concentration of Fluorine.
Fluorine can have negative health effects such as Skeletal Fluorosis. EDIT: I understand some Fluorine is necessary and ...
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1answer
84 views
Polymers which are miscible in oil
Can someone suggest me a list of polymers or some paper where I may find polymers that are soluble in oils like silicon oil, mustard oil, coconut oil, bean oil or petroleum ether, etc.?
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2answers
1k views
What is the relation between solubility and thermal stability? [closed]
The thermal stability of alkaline earth metals increases down the group for hydroxides i-e., Be(OH)2 is less stable than Ba(OH)2.
The solubility also increases down the group for these compounds i-e., ...
2
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2answers
110 views
Calculating equilibrium concentrations of silver and halide ions
$\pu{500 ml}$ of $\pu{0.01 M}$ $\ce{AgNO3}$ is mixed with $\pu{500 ml}$ of solution containing $\pu{0.1 M}$ $\ce{NaCl}$ and $\pu{0.1 M}$ $\ce{NaBr}$. $K_\mathrm{sp}$ of $\ce{AgCl}$ is $10^{-10}$ and $...
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2answers
697 views
How does ammonium chloride increase the solubility of magnesium hydroxide in water?
In my textbook it is written that $\ce{Mg(OH)2}$ is slightly soluble in water, and it forms a milky solution which is called "milk of magnesia".
Its solubility can be increased by the addition of $\...
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0answers
22 views
Comparison between solubility of amines and alcohol [duplicate]
Why are alcohols more water soluble than amines for similar molecular weight.
I know this is a duplicate question . The reason i posted it again was that on the original question i posted my answer ...
2
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1answer
127 views
Why is Pyridinium Chlorochromate soluble in organic solvents?
I would presume that Pyridinium Chlorochromate is not organic soluble due to the relatively strong ionic bonding between the anion and cation on account of their similarly large size. Although the ...
2
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1answer
132 views
Finding the concentration of each ion in saturated solution of lead(II) hydroxide
Question
If the solubility of $\ce{Pb(OH)2}$ is $\pu{0.155 g/L},$ then the concentration of each ion in a saturated solution of $\ce{Pb(OH)2}$ is
A. $[\ce{Pb^2+}] = \pu{0.155 g/L}$ and $[\ce{OH-}] = \...
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1answer
778 views
What is the logic behind the division into groups of anions and cations in qualitative inorganic analysis? [closed]
I find it very confusing and hard to memorize.
Is there a way to deduce it, like understanding how it is derived, or is it just one of a lot of ways you can do it but is the standard one?
Do people ...
1
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1answer
68 views
How to calculate the amount of sodium sulfate needed to lower the silver ion concentration of a saturated silver sulfate solution?
How many moles of $\ce{Na2SO4}$ we have to add into a saturated $\pu{0.5 L}$ solution of $\ce{Ag2SO4}$ so that the concentration of $\ce{Ag}$ is $\pu{4.0 \times 10^-3 M}$? ($K_\mathrm{sp} = 1.4 \times ...
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1answer
7k views
How to calculate saturation point of a solution?
Is there a way to calculate theoretical saturation point between 2 materials?
For example, let's say I want to determine solubility of vitamin A in water, or vitamin B in olive oil, or vitamin D in ...
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1answer
149 views
Methods to increase the speed of dissolving potassium sulfate in water apart from heating, grinding or shaking
I bought potassium sulfate to be used as a fertilizer. The fertilizer comes in the form of small pebbles 1-2mm in diameter. Wikipedia states that the solubility is around 111g/liter at 20°C.
I ...
