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Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acididc, basic, or neutral? Show your work.
Determine the exact molarity of NaOH (aq), when a sample of KHC8H404 dissolves in water and is titrated with 24.03 mL of NaOH(aq).
alcohol is often used to sterilize medical instruments or patch of skin
Solid aluminum acetate is slowly added to 75.0 mL of a 0.0536 M sodium phosphate solution. The concentration of aluminum ion required to just initiate precipitation is
Draw the Lewis structure of CH2N2 in its best resonance form. The sigma-bond network is given to you
Explain why bromobenzene is unreactive to both sodium iodide in acetone and silver nitrate in ethaol, while benzyl chloride is reactive
Using the list of Active Ingredients provided, was there enough HCl added to completely neutralize the Naproxen Sodium? (Show ALL calculations below)
If the rate constant at 20 degrees CELSIUS IS 4.3(10^-5). How long would it take for 83% of the compound to decompose ? if the rate constant is 9.0(10^-4) at 55 degrees Celsius what will the activation energy be?
Calculate the molar concentration of a solution prepared by dissolving 2.34 g of sodium sulfate (MW = 142) in enough waterto make 250 ml of solution.
Consider the titration of 46.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at the following points. A)After the addition of a large excess of acid
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
A buffer is made by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate ph of the buffer.
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