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Determine the equilibrium constant for the system 2A 3B. At equilibrium, the concentrations are shown here: [A] = 9.43 x 10-2 M, [B] = 1.41 x
10-2 M
3.15 x 10-4
3.17 x 103
4.74
0.0224
0.0317
Calculate the concentration of HC2H3O2 or NH3 in each of the solutions you measured. By how many units did the pH of a solution of a weak base or acid
considering the given equation fe2o3s 3 cog rarr 3 co2g 2 fes now determine how much fe iron is produced when 352
Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concetnrations are small
assume that you have a small amount lt 3mg of crystals that formed from a recrystallation with 1 ml of solvent. to
At standard temperature and pressure (0 and 1.00 ), 1.00 of an ideal gas occupies a volume of 22.4 . What volume would the same amount of gas occupy at the same pressure and 30
Calculate the pH of 0.100 L of a buffer solution that is 0.25 M in HF and 0.50 in NaF. What is the change in pH on addition of the following? a) 0.002 mol of HNO3 b) 0.004 mol of KOH
What volume would 50.0 L of Helium gas at a pressure of 736 Torr and 20 C occupy at STP
How would you prepare 3-methylheptane beginning with either 2-bromobutane or 1-bromobutane
Determine the molar mass of the nonelectrolyte if the osmotic pressure of the solution = 23.6 atm, also express your answerin g/mol?
1) Calculate the solubility of Au(OH)3 in water. (Ksp = 5.5e-46). 2) Calculate the solubility of Au(OH)3 in 1.1 M nitric acid solution.
Acetylsalicylic acid (aspirin), HC9H7O4, is the most widely used pain reliever and fever reducer in the world. Find the pH of 0.045 M aqueous aspirin at body temperature (Ka at 37°C = 3.6 10-4)
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
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