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When cobalt chloride is added to pure water, the CO ^2+ ions hydrate. The hydrated form then reacts with the Cl^- ions to set up equalibrium shown here:Co(H2O)6^2+ + 4Cl^- <--> CoCl4^2- + 6H2O(pink) (blue)Which statement describes the change that the system will undergo if silver nitrate is added?
What Mass of K2CO3 must you add to 125 grams of water to prepare a 0.200m K2CO3? What is the mole fraction of K2CO3 in the resulting solution?
Write the formula for each component in a buffer solution of acetic acid and it's salt. How would you prepare 20 mL of a solution having pH = 2.00 by dilution of 0.10 M HCL
What is the mechanism of 1-6-diaminohexane/sodium hydroxide with 2% sebacoul chloride (decanedioyl chloride)/hexane?
Tincture of iodine is I2(s) dissolved in ethanol, C2H2OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000g of solution.
5.00 mL of a 0.650 M solution of oxalic acid are dilute to 25.00 mL. If 27.11 mL of a NaOH solution are required to neutralize this diluted oxalic acid, what is the concentration of the NaOH in molarity terms
When heated, lithium reacts with nitrogen to form lithium nitride. What is the percent yield of the reaction if 13.9 of Li is heated with 33.3 g of N2 and the actual yield of Li3n is 6.64 g?
Example: Determine the solubility of calcium fluoride at 25C. And Be sure to note the difference between Solubility and Solubility Product Constant ! What could we do to change the system and produce a precipitate?
a 3.50 g sample of solid mgoh2 was treated with 50.0 ml of 0.500 m h2so4aq. after the reaction was over some of the
A certain substance has a heat of vaporization of 29.75 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 287 K
The sulfur dioxide stack gas concentration from fossil fuel combustion is 2ppm(v). Determine the stack-gas concentration in units of micro grams/m^3 assume 0 degrees Celsius and1atm.
Phosphoric acid is produced by the reaction of calcium phosphate, Ca_3(PO_4)_2, with sulfuric acid. How much phosphoric acid can one make from exactly one U.S. ton (2000 lbs) of calcium phosphate
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large. I2 (g) + Br2 (g) 2IBr (g)
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