Most of the cations and anions described above can combine to form solid compounds that are usually known as salts. The one overriding requirement is that the resulting compound must be electrically neutral: thus the ions Ca 2+ and Br – combine only in a 1:2 ratio to form calcium bromide, CaBr 2 .
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sample of copper (II) sulfate pentahydrate, CuSO4⋅5H20, is heated to remove the water of hydration from the crystals. The mass of the original sample before heating was 50.00 grams. If the mass of the cool, dry sample after heating is 34.95 grams, find the experimental percentage of water in the
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Anion vs. Cation Dealkalization. Strong base anion resins may be used for demineralization or dealkalization, while weak base anion resins work best for removing acids and organics from water. Anion dealkalizers are primarily used to remove alkalinity from boiler feedwater with a low-to-moderate amount of total dissolved solids (TDS).
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The spectator ions in KOH(aq) and HNO 3 (aq) are: K + (aq) and NO 3 – (aq) How to Identify and List the Spectator Ions in a Reaction Step I : Write the equation (with chemical formulas) for which spectator ions are to be determined. Step II : Express each of the reactants and products in terms of its cations and anions.
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CuS. anion: S. cation: Cu. anion charge is -2 (second from right on periodic table). cation charge is therefore 2+. Name is copper sulfide. Why not sulfur? Because Sulfur creates lots of ions with fancy names. Sulfite is S03. Sulfate is S04. S02 happens to be stable and poisons the earth as sulfur dioxide.
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CuSO4.5H2O(s) CuSO4(s) + 5H2O(g) What actions, if any, will lead to an increase in the pressure of H2O present at equilibrium? the answer is nothing, but wouldnt decrease in volume will chemistry A galvanic cell has an iron electrode in contact with 0.20 M FeSO4 and a copper electrode in contact with a CuSO4 solution.
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When all the H ions are removed from the “-ic” acid, the anion’s name ends with “-ate.” 2. When all the H ions are removed from the “-ous” acid, the anion’s name ends with “-ite.” 3. The names of anions in which one or more but not all the hydrogen ions have been removed must indicate the number of H ions present.
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You probably ran a bit of electrochemistry. The salt water probably allowed electrons to be transfered between the aluminum foil and the CuSO4. You're also probably at least partially right with the Cl- ions combining with the Al2O3 to give a clean Al surface for the redox reaction to occur on. Try hooking up a ampmeter to it and measure the ...
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Determine the discriminant for the quadratic equation 0 2x2+3
So with small cations of Copper and large anions of Sulfate, they compress and become a structure like the one below, with the smaller cations positioned between the larger anions. Intermolecular Forces: Since this is an ionic bond the Copper positive ion will be attracted to the positive ions of Sulfate and vice versa.
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Complete List of Cation and Anions. 4- : Ferrocyanide Fe(CN)6 4-, Pyrophosphate P2O7 4-, Silicate SiO4 4-, Silicide Si 4-3- :
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Jul 10, 2014 · Also, the ones formed by KI (aq) + Pb(NO3)2 (aq) and KI (aq) + CuSO4 (aq) were yellow because both resulting precipitates had iodide ions in them. However, we were curious why a yellowish brown precipitate was produced when potassium iodide and copper(II) sulfate were mixed, because the resulting precipitate involved both copper and iodide.
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Common Cations, Anions, Acids, Salts and Hydrate Nomenclature Cations (positive ions) Anions (negative ions) Acids (H + and anion) H + Hydrogen ion (proton) H – Hydride ion
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The ions present are: Cu^2+ SO4 ^2-HSO4^- ... +h2so4=cuso4+h2o+so2 ... Name the anion that is the result when H2SO4 is dissolved in water.