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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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Which is more soluble in water ammonia or Sodium dodecyl sulfate

I've tried looking this up and can't seem to find the solubility of SDS if any one knows the answer I would really appreciate it. Which is more soluble in water ammonia or Sodium dodecyl sulfate. ...
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13 views

what is the reaction between calcium sulphate and potassium silicate? [closed]

what is the result of the reaction between calcium sulphate(CaSO. 2H2O which is Agricultural gypsum ) and potassium silicate (K2O3Si) if both mixed in water?
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1answer
24 views

Advice on forming a 10% solution of Maltol

I’m having great trouble forming a 10% solution of Maltol. Specifically, I’m trying to dissolve 3 grams of Maltol in 27 grams of solvent. I’ve tried everything from Propylene Glycol, to Deionized ...
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0answers
23 views

I have a solubility question and need help please [closed]

The solubility of $\ce{CH4}$ is $\pu{2.95\times 10^{−2} M}$ at $\pu{25^\circ C}$ and $\pu{22.00 atm}$. What is the solubility of $\ce{CH4}$ if the pressure is increased to $\pu{77.00 atm}$?
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1answer
34 views

Insoluble salts and Gibbs free energy

Is it true that according to gibbs free energy equation, insoluble salts such as AgCl don't dissolve because the process would be too endothermic? The right side of the equation, TΔS, would have to be ...
2
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1answer
66 views

How is silver chloride more soluble in brine than water?

I heard that: Silver chloride is more soluble in very concentrated NaCl solution (brine) than in pure water. Is it true? I mean won't the common ion effect operate? Or may be this is due to some ...
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1answer
37 views

Any consumable liquid that would dissolve ground coffee?

Figured I would try here rather than a food-oriented forum. Is finely ground coffee (Espresso/Turkish) soluble in any consumable liquid? Otherwise asked: is there any liquid available to the average ...
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Is propan-2-ol miscible in n-heptane?

When I did search, some sites said that it's not, but some said that it is. So, I didn't obtain the real answer. Can you help me?
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31 views

Solubility curve for sodium tetraborate in water

What is the solubility curve for sodium tetraborate decahydrate ($\ce{Na2[B4O5(OH)4]·8H2O}$), otherwise known as borax, in water ($\ce{H2O}$)? Additionally, what is the solubility of the ...
2
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1answer
30 views

carbon dioxide in liquid and gaseous phase with liquid water

What are the differences between carbon dioxide solubility (miscibility, reaction) in liquid water when in gaseous ($\pu{<38 bar}$) and liquid ($>\pu{38 bar}$) phase? The temperature in my ...
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1answer
40 views

Dimerisation of HOOC-COOH in non polar solvents

In a textbook I read, the following question is my doubt: Why is the answer B)? Why do the other molecules not dimerise? How does it work? (P.S- Why dosen't the B) option only form hydrogen bonds ...
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33 views

Is it incorrect to say that oil is insoluble in water?

I'm a biology teacher and therefore not a chemistry specialist. When I was a student, my teachers used a mixture of water and olive oil to illustrate the concept of soluble and insoluble substances ...
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1answer
40 views

Predicting products of a reaction and balancing [closed]

2BiOCl + NaOH = BiOH + NaCl. This is the reaction where I am trying to get Bismuth Hydroxide as one product and salt. My problem is what is the state of Bismuth Hydroxide? Whether it is BiOH or Bi (OH)...
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26 views

Would boiling distilled water in a kettle full of limescale increase the hardness of the water?

If I had a kettle which had limescale on it (due to several episodes of boiling hard water), and I would use it to boil distilled water, would that mean that some of the precipate dissolve into the ...
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2answers
71 views

Polar compounds that doesn't dissolve in water? [closed]

I'm studying for my exam introduction to chemistry. In the course, there's an exercise where we have to explain why something dissolves in water and why other compounds doesn't. For me, if the ...
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1answer
32 views

The effect of HCL concentration on the Solubility of Hydroxyapatite [closed]

Recently I conducted an experiment to investigate the effect of HCL concentration on the solubility of hydroxyapatite [Ca5(PO4)3(OH)]. This was done by taking a sample of the solution after ...
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28 views

pH calculation of salt in acid

A person go to an all-you-can eat restaurant but eat a little too much and get heartburn. He returns to his room, looking for a remedy. He takes $3$ teaspoons of milk of magnesia, which contains $...
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1answer
38 views

Сould you tell me, Henry's law depends on curvature of gas/liquid interface or not?

Could you tell me Henry's law depends on curvature of gas/liquid interface or not? It would be better with references. Thank you!
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1answer
36 views

Why don't soluble gases that evolve in a reaction remain in solution?

Take for instance the following process: $$\text{2NaCl}_{\ (s)} + \text{H}_2\text{SO}_{4 \ (aq)} \to \text{2HCL}_{\ (g)} + \text{Na}_2\text{SO}_{4 \ (aq)} $$ Why does the evolved gas leave the ...
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1answer
26 views

Is every compound that has a H-bond donating group soluble in water? [closed]

I am wondering if there is any general rule of thumb
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0answers
185 views

Explain the effect of intramolecular hydrogen bonding on solubilities in cold and hot water?

There is a statement given in my textbook (Cengage, Organic Chemistry (Part 1), page 4.33) which is as follows: (I edited the statement to make it simpler) One can account for the solubilities of ...
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31 views

Which phase offers resistance when oxygen is being absorbed in strong alkaline pyrogallate solution?

While solving a few questions from interphase mass transfer I came across this question. The question stated that when oxygen is being absorbed from air to water it is a liquid phase resistance ...
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1answer
55 views

Why is propanediol soluble in water?

I'm a crafter who likes to make her own body oils and butters but I have no background in chemistry. Now, I just read something about propanediol (which I'm considering for modifying the feel of my ...
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3answers
76 views

If all intermolecular forces are electrostatic in nature, why don’t large non polar molecule dissolve in water?

If I have a large non-polar substance A that forms strong dipole-induced dipole force (DIDF) with water, with strength comparable to that of H-bonds between water molecules, will A dissolve in water?
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1answer
57 views

Two ways to calculate dissolved oxygen

To calculate the dissolved oxygen in water at saturation pressure at 25 °C, we do: $$ D_\ce{O2} = K_\mathrm{H} \times M \times p_\mathrm{g} $$ $$ D_\ce{O2}~[\pu{g/L}]= 1.26\times10^{-3}~[\pu{mol/L/...
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114 views

The effect of pH and solubility on coagulation in water treatment

In water treatment, a specific pH range must be met in order for the process of coagulation to occur properly. Sources have stated this is due to the pH affecting the solubility of the coagulant, but ...
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1answer
37 views

Dependence of mass transfer coefficient on solubility

Does solubility of the solute affect the value of the mass transfer coefficient? The book I am following mentions that the mass transfer coefficient is a characteristic of the constituent and its ...
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1answer
100 views

Dissolving of non polar gases in water (liquid)

How does dissolving happen for non polar gases in water? Is it like being in the space between the water molecules or does there occur some kind of interaction occur between gas molecules and water ...
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1answer
157 views

Why do my equilibrium calculations on this HF/NH4OH buffer system not match those in literature?

I've been trying to reproduce Figure 2 from this research paper (full text available). The Problem However I can't seem to get the same values as in the paper. I did the math both by hand and with ...
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1answer
48 views

What is the solublity of water in liquid carbon dioxide at low temperature?

The solubility of water in liquid carbon dioxide has been investigated by Hosmer W. Stone in 1943 from -29 to about 22 °C. Is there any research done on the solubility of water in liquid $\ce{CO2}$ ...
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1answer
54 views

Reacting NaOH in solution with O3

I use common air to produce ozone. However the gas after the ozone generator does contain $\ce{NO2}$ gas, which I have to remove for the subsequent steps. I tried to remove the $\ce{NO2}$ with a ...
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1answer
41 views

What is the minimum mass of iron(III) chloride required to be added until the dark blue precipitate first appear?

How do I solve this question? The presence of iron(III) ion is confirmed in a qualitative analysis by adding potassium hexacyanoferrate(II) ($\ce{K4[Fe(CN)6]}$) solution. A dark blue ...
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3answers
118 views

How to determine if an unknown is potassium chloride or potassium bromate?

In class, we were given unknown substances. I've narrowed the possible substances down to either potassium chloride or potassium bromate. We were given several acids, indicators, and other chemicals (...
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1answer
34 views

Why do we use different arguments for determining the strength of hydracids and solubility of ionic compounds?

HI is a stronger acid than HF. Why? Because when dissolved in water, the bigger iodide ion handles the negative charge way better than the small fluoride ion. So Iodide ion is a weak conjugate base ...
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1answer
57 views

What's the point of solubility products?

What is the advantage of solubility products, e.g. LiF(s) ⇄ Li+(aq) + F-(aq) | K = [Li+(aq)] * [F-(aq)] = 0.00184 M2 at 25°C (source) compared to just stating that Solubility in water = 0.134 g/...
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effect of overpressure on lowering viscosity of polysaccharide solution

it has been reported that agarose dissolved at 110C under slight over-pressure has a viscosity at least 10X smaller than dissolved at atmospheric pressure at 90C (ref:https://doi.org/10.1016/j....
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How can the CO2 released from sodium bicarbonate reacted with HCl lift an alginic raft if the sodium bicarbonate acts first?

In the antacid Gaviscon, sodium alginate reacts with hydrochloric acid and then calcium carbonate to form an alginic raft that is supposed to be lifted to the top of the stomach by the carbon dioxide ...
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What's the identity of the crystalline solid in the following reaction? [closed]

A mixture of toluene, benzoic acid, aniline and phenol was dissolved in diethyl ether and extracted with 5% $\ce{NaHCO3}$ solution? This extract was acidified until a white crystalline compound ...
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Which has a greater dominance: hydration enthalpy or lattice energy?

When I was reading my notes I came up with a problem. I read that for the s block element salts, when checking the solubility, we consider the hydration enthalpy so we decide their stability in water. ...
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1answer
468 views

Why are magnesium chloride and calcium chloride more soluble than sodium chloride?

I read that $\ce{MgCl2}$ and $\ce{CaCl2}$ are more soluble than $\ce{NaCl}$. I think that $\ce{NaCl}$ should be more soluble due to more ionic nature. $\ce{Mg^{2+}}$ and $\ce{Ca^{2+}}$ are more ...
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73 views

If i keep adding sulfuric acid into water, will it keep dissolving forever?

If i keep adding sulfuric acid into water, will it keep dissolving forever?
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277 views

Is Biotin water-soluble or fat soluble?

Vitamin $\ce{B_7}$ or Biotin is a member of the vitamin B complex. Members of the vitamin B complex are usually known to be water soluble. However, this webpage mentions that biotin is water soluble. ...
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The Salt Effect stops working in extreme cases?

I and three friends did an experiment where we investigate the salt effect, also known as the uncommon ion effect. The specifics are that we made a $\pu{1L}$ solution saturated with $\ce{CaCO3}$ and $...
5
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85 views

Why isn't orthoboric acid soluble in cold water even though it has polar B-OH bonds?

This is the information I found regarding orthoboric acid's solubility: Textbook (NCERT India): Sparingly soluble in water (didn't say what temperature - presumably cold) and highly soluble in hot ...
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Is there a methodology for calculating the co-solubility of two salts with different components?

Is there a methodology for calculating the co-solubility of two salts with different components? For example, say I mix $\pu{200 g}$ of $\ce{MgSO4}$ into $\pu{1L}$ of water (solubility = $\pu{350g/L}$...
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1answer
121 views

Precipitation of CaCl2 and FeCl3 in Na2CO3 [closed]

Why does $\ce{CaCl2}$ gives precipitation of $\ce{CaCO3}$ when $\ce{Na2CO3}$ is added, but $\ce{FeCl3}$ does not give the precipitation of $\ce{Fe2(CO3)3}$ in $\ce{Na_2CO_3}$ ?
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221 views

Can there be two precipitates in a double displacement reaction?

On one of my chemistry homework's, I am doing a double displacement reaction and the question is having me predict the products and make a net ionic equation for copper(|I) sulfate and barium acetate ...
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2answers
131 views

Can CaF2 exist in solution (aq) or only as a solid? [closed]

One man says that Calcium Fluoride solution can not exist, because it is only hydrated cations (N+) and anions (F-) surrounded by water molecules and that CaF2 can exist only in solid State,...
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122 views

is syringaldazine soluble in water?

Would it be better to use water or ethanol as a solvent for syringaldazine? Why? Would water interfere with the oxidation of syringaldazine if laccase enzyme was added?
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1answer
51 views

Why are some smells so hard to get rid of? [closed]

What may seem to be a silly question could actually have roots in some core chemistry principles. The other day, I was cooking fish when I noticed that I'd forgotten to use a fork, and touched the ...