Are all sulfates soluble in water?

Soluble and insoluble saltsSolubleInsolubleMost sulfatesLead sulfate, barium sulfate and calcium sulfateMost chlorides, bromides and iodidesSilver chloride, silver bromide, silver iodide, lead chloride, lead bromide, lead iodideSodium carbonate, potassium carbonate, ammonium carbonateMost other carbonates

What are the rules of solubility?

The determining factor for the result is the solubility of the substance, which is defined as the maximum possible concentration of the solute. The solubility rules help determine which substances are soluble, and to what extent.

Is zinc oxide soluble in water?

Zinc oxide is an amphoteric oxide. It is nearly insoluble in water, but it will dissolve in most acids, such as hydrochloric acid: ZnO + 2 HCl → ZnCl2 + H2O.

Is lead soluble in water?

Elementary lead does not dissolve in water under normal conditions (20oC, and pressure = 1 bar). It may however occur dissolved in water as PbCO3 or Pb(CO3)22-. A well-known example of a water soluble lead compound is lead sugar (lead(II)acetate), which derived its name from its sweet nature.

Is Potassium a soluble?

The sulfides of all metals except barium, calcium, magnesium, sodium, potassium, and ammonium are insoluble in water. BaS, CaS, and MgS are sparingly soluble. 7. The hydroxides of sodium, potassium, and ammonium are very soluble in water.

Are sulfates soluble or insoluble?

Nitrates (i.e. ionic compounds containing nitrate ions), it says, are all soluble. Chlorides, it says, are all soluble except for some that are listed as copper(I), lead(II), mercury(I) and silver. All sulfates are soluble except those listed under the insoluble category.

Are carbonates soluble in water?

Most carbonate salts are insoluble in water at standard temperature and pressure, with solubility constants of less than 1 × 10−8. Exceptions include lithium, sodium, potassium and ammonium carbonates, as well as many uranium carbonates.

Is magnesium soluble?

Magnesium is mainly present as Mg2+ (aq) in watery solutions, but also as MgOH+ (aq) and Mg(OH)2 (aq). In seawater it can also be found as MgSO4. Water solubility of magnesium hydroxide is 12 mg/L. Other magnesium compounds are clearly more water soluble, for example magnesium carbonate (600 mg/L).

Is iron soluble in water?

Iron (II) hydroxide often precipitates in natural waters. Elementary iron dissolves in water under normal conditions. Naturally occurring iron oxide, iron hydroxide, iron carbide and iron penta carbonyl are water insoluble. The water solubility of some iron compounds increases at lower pH values.

Is silver water soluble?

Under normal conditions silver is water insoluble. Some other sulphur compounds are more or less water soluble. For example, silver chloride has a water solubility of 0.1 mg/L, maximum. Silver nitrate has a water solubility of 2450 g/L. Silver fluorides are generally water soluble, but other silver halogens are not.

Is copper soluble?

It is produced on a large scale by reduction of mixed copper oxide ores with copper metal or by electrolysis of an aqueous solution of sodium chloride using copper electrodes. The pure compound is insoluble in water but soluble in hydrochloric acid or ammonia. The pure compound is stable in dry air.

Is Iodine is soluble?

Elemental iodine is slightly soluble in water, with one gram dissolving in 3450 ml at 20 °C and 1280 ml at 50 °C; potassium iodide may be added to increase solubility via formation of triiodide ions, among other polyiodides. Nonpolar solvents such as hexane and carbon tetrachloride provide a higher solubility.

Is ammonium carbonate insoluble in water?

Ammonium carbonate is positive ammonium salt of carbonic acid normal salt, the formula is (NH4)2CO3. Pure product is colorless or white cubic crystal or powder, it has strong smell of ammonia. It is often with a molecular crystal water, it is hygroscopic, soluble in water, it can decompose in case of hot water.

Is sulfur soluble in water?

Sulfur is insoluble in water but soluble in carbon disulfide and, to a lesser extent, in other nonpolar organic solvents, such as benzene and toluene. The first and second ionization energies of sulfur are 999.6 and 2252 kJ/mol, respectively.

Are all nitrates soluble in water?


What are the rules for solubility?

The determining factor for the result is the solubility of the substance, which is defined as the maximum possible concentration of the solute. The solubility rules help determine which substances are soluble, and to what extent.

Why are copper 2 sulfate and sugar soluble in water?

Copper Sulfate can dissolve in water because water is a polar solvent. A polar solvent is one where the molecules that make up the solvent have a charge that is unequally distributed in the molecule. Water being a polar solvent can easily dissolve ionic salts like copper sulfate.

Is SR soluble?

Hydroxide salts of Group II elements (Ca, Sr, and Ba) are slightly soluble. Hydroxide salts of transition metals and Al3+ are insoluble. Most sulfides of transition metals are highly insoluble. Thus, CdS, FeS, ZnS, Ag2S are all insoluble.

Is aluminum soluble in water?

The most abundant aluminum compounds are aluminum oxide and aluminum hydroxide, and these are water insoluble. An example of a water soluble aluminum compound is aluminum sulphate with a water solubility of 370 g/L.

Why is sugar so soluble in water?

It also takes energy to break the hydrogen bonds in water that must be disrupted to insert one of these sucrose molecules into solution. Sugar dissolves in water because energy is given off when the slightly polar sucrose molecules form intermolecular bonds with the polar water molecules.

Is nh4+ Soluble?

The Na+, K+, and ammonium (NH4 +) ions form soluble salts. Thus, NaCl, KNO3, (NH4)2SO4, Na2S, and (NH4)2CO3 are soluble. 2. The nitrate (NO3 -) ion forms soluble salts.