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(1) If 0.43g of aluminum foil was dissolved in sufficient 3M of KOH solution, and the solution was acidified with 4M H2SO4, what is the theoretical yield of KAl(SO4)2 x 12H2O?
(2) If only 5.87g of alum were obtained as product from the synthesis described in (1), what was the percent yield?
(3) A student determined the Kf (f as lower subscript) of t-butyl alcohol using tap water instead of distilled or deionized water. Describe the problems that might have been encountered. How would these problems affect the magnitude of Kf?
Calculate the equilibrium constant Kp for the reaction, {rm SO_2 (g) + 2 H_2S (g) rightleftharpoons 3 S(s) + 2 H_2O(g)} at a temperature of 298 rm K
Calculate the molar solubility of bbarium sulfate, BaSO4, in 0.010 M Sodium Sulfate, Na2SO4, solution at 25C. Compare this to the solubility of BaSO4 in pure H2O. What is the common ion?
If 26.23mL of potassium permanganate solution is required to titrate 1.041g of ferrous ammonium sulfate hexahydrate, FeSO4(NH4)SO46H2O.
what is the complete mechanism and product for reacting phthalimide
What mass of CCl4 will be formed if 1.20 moles of methane react with 1.55 moles of chlorine?
You have a gas occupying 75L at 800 torr and 315K. What is the volume if the pressure is decreased to 600 torr and the temp is changed to 127 C?
The solvolysis product of 1-bromo-2,2-dimethylbutane with ethanol initially forms the expected carbocation but does not give any of the expected 1-ethoxy-2,2-dimethylbutane. Draw the rearranged cation that will eventually lead to the product.
Explain why the atomic mass of an atom is a decimal number and how that value was determined before being placed on the periodic table.
write the equations involved in the following
Molecular weight and mole concept explained in this solution, The molecular weight of NaOH is 40. the molecular weight of a widely used buffer, HEPES, is 255
why potassium permanganate and oxalic acid is choose to run the experiment to determine the activation energy?
How much heat is lost when a 640 g piece of copper cools from 375 oC, to 26 oC? (The specific heat of copper is 0.387 J/g . oC)
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