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Calculate the pH of the following: the solution prepared by mixing 25.00mL of 0.100M malonic acid with 15.00mL of 0.16667M NaOH (Ka1 = 1.24x10 -3. Ka2 = 2.01x10 -6)
an aqueous solution is prepared by dissolving 1.50g of hemocyanina protein obtained from crabs in 0.250 l of water. the
What volume of .01M HCL must be added to 20 ml of .04M phosphate buffer, pH 6.50, to reduce the pH to 5.5. pK of phosphate buffer is 7.20
Identify the two important classes of catalysts. Choose a catalyst that exists in the human body. Explain its importance and how it works.
The resulting solution is titrated to a starch endpoint with 34.81 mL of the thiosulfate solution. Calculate the concentration of the thiosulfate solution.
a current of 3.87 a is passed through a crno32 solution for 1.10 hours. how much chromium is plated out of the
a sample consisting of 1.00 mol of perfect gas atoms for which cvm 52r initially at p1 1.00atm and t1 300k is heated
calcium iodide breaks apart into one Ca2+ ion for every two I- ions, so a solution that is 1.0 M in CaI2 is 2.0 M in I-.) Determine the molar concentration of calcium iodide in the original solution
for nh4br dissolving in water deltahsoln is17kjmol. write an equation that represents the solubility equilibrium for
determine a value of kc for the equilibrium which is established when ethanol reacts with ethanoic acid.ch3cooh
The internuclear distances in gas-phase ionic molecules are considerably smaller than those in the corresponding crystals.For exemple,
Estimate the mass of KHP that will require 25 mL of 0.10 M NaOH to reach the equivalence point in a titration.
100.0 g of nickel at 150 degc was placed in 1.00 l of water at 25.0 degc. the final temperature of the nickel-water
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