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Problem- The Ka of a monoprotic weak acid is 8.49x10^-3. What is the percent ionization of a 0.189M solution of this acid?
Use the quadratic equation to solve the above problem and provide steps with explanation
A chemist must dilute 10.7mL of 3.68 M (Molarity) aqueous sodium thiosulfate (Na2S2O3) solution until the concentration falls to 1.00M.
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
At 25 degree Celsius, Ksp for PbI2 is 9.8x10-9. Explain what is the molar solubility of PbI2 in water at 25 degree Celsius
Which of the following processes listed below represents the experiment for measureing an ionization energy?(E--> represents a nuetral element, "m"- represents a metal cation; and X represents a nonmental anion)
A weak acid with the general formula of HA will react with a base, such as NaOH. Write the neutralization equation which describes the reaction.
some workers responding to the explosion at the Chernobyl nuclear power plant were exposed to 5 sv of radiation, resulting in the death for many of them. if the exposure was primarily in the form of y rays with energy of 3.3 x10^ -14 J
Explain why an object whose color is purple actually absorbs visible light in the green wavelength region.
Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10-8
Calculate the pH at the equivalence point in titrating 0.010 M solutions of each of the following with 0.081 M NaOH. (b) hypochlorous acid (HClO), Ka = 3e-08 pH = _?_ It's not 8.3
Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids
A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode (P(H2)= 1atm) immersed in a solution of unknown [H+].
A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. There is an increase in temperature of 56 K. Calculate the heat lost or gained by the system in response to this change in the external temperature.
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