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Metallic aluminum reacts with MnO2 at elevated temps to form manganese metal and alunimun oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretcal yield(in grams) of manganese from the reaction of 220 grams of this mixture.
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16. (a) pH 7.5 M (b) pH 10.1 M (c) pH 12.0 M
One way to recrystallize a solute from a solution is to change the temperature. Another way is to evaporate solvent from the solution. A 340 g sample of a saturated solution of KNO3 in water is prepared at 25.0.
A large gas flask is found to weigh 143.567 g. it is then filled with gas to a pressure of 735 torr at 31 C and found to weigh 1067.9 g.
the freezing point of the solution is lowered by 4.10 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine
A1.15 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 715 mm Hg.
Determine the value of the solubility-product constant if solubility of T3U2 =4.24× 10-20 mol/L.?
If 15 g of KClO3 are added to 200 g of water at 25 degrees celsius with stirring, how much of the KClO3 will dissolve?
Calculate the melting point of ice under a pressure of 50 bar. Asume that the density of ice under these conditions is approximately 0.92 g/cm^3 and that of liquid water is 1g/cm^3
How do you draw a 6 carbon hydrocarbon with 3 vinylic hydrogens and 3 allylic hydrogens
What is the level of orbital hybridization around the central atom of molecules that belong to the following AXE classes: Select the one answer that is correct in all three columns.
How many grams of LiCO3 do you need to weigh out to dissolve in the 5.0 liters? If you had started with a 5000. ppm solution of Li2CO3 solution, how many mL of it would you need to pipet into the 5.0 liter to achieve the same 425 ppb Li 1 solution..
There is a mixture that is soluble only in methylene chloride. I wanna run the column in 10% Ethyl acetate/hexanes. Which method of column loading should I use in this case and why?
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