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Please explain in detail how get the pKa to solve the problem. that the pKa is supposed to be 6.37, but that does not seem to get the right answer?
A buffer solution is prepared by dissolving 1.51 g NH3 and 3.85 g (NH4)2SO4 in enough water to make 0.500 L of solution.
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.
Based on the first and fourth sketches(Part C figure) , what is the density of the block? First sketch shows mass of the block = 50g. Second sketch shows block completely immersed in water(at 20 degree Celsius), mass of block now = 5.6g and densit..
Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-1-butene. Use the (+) and (-) tools to adjust charges as necessary
Write chemical formulas for (a)lithium bromide,(b)calcium sulfide,(c) sodium sulfide,(d)beryllium oxide,(e) the chlorine molecule
At equilibrium, 0.11 mole of CO2 was present. Calculate the equilibrium constant Kc of this reaction.
when 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?"
why zinc and magnesium good sacrificial anodes for pipeline,but lead and tin will not be good? what would happen to pipeline protected by lead sacrificial anodes,and why?
Which of the following molecular geometries could lead to linear molecule after removal of one atom?
What is the age of the wine in the glass on the left, and the glass on the right? b. What assumption(s) do you have to make in order to compare their tritium counts?
Which one of the following compounds will be most soluble in water?
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