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].

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133 views

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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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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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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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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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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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. ...
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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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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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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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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 ...
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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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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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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 ...
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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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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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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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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 ...
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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 ...
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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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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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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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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 ...
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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 ...
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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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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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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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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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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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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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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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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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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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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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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 ...
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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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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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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., ...
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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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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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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 ...
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1answer
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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 ...
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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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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 ...
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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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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 ...

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