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A current of 5.07 A is passed through a Sn(NO3)2 solution for 1.20 hours. How much tin is plated out of the solution?
When 0.455g of Thyroxine is dissolved in 10.0g of benzene, the freezing point of the solution is depressed by 0.3000C. What is the molar mass of Thyroxine?
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
The density of ethanol is 0.7893 g/mL. What is the volume of 3.5 grams of ethanol. Of 7.0 grams of ethanol.
Calculate the percent relative error for the three solutions if perfect technique is used. Report the two new molarities. (The error in a 10-mL transfer pipet is 0.02, and the error in the 200-mL volumetric flask is 0.1)
a 0.5118 gram sample of caco3 is dissolved in 6 moles of hcl and the resulting solution is diluted to 250.0 ml in a
Calculate the molar solubility of the following compounds from the Ksp values given, Zn(OH)2
What are the mechanisms for the following 2 reactions: 1. 2-iodohexane reacting with NaOCH3/HOCH3 2. 2-iodohexane reacting with HOCH2CH3/heat
calculate the number of excess reagent units remaining when 84 C2H4 molecules and 270 O2 molecules react?
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
Write out the balanced overall equation for the redox reaction that could occur between these species. An electric current would have to have what minimum potential to force the reaction forward?
If 11.5 kilograms of Al2O3(s), 50.4 kilograms of NaOH(l), and 50.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced? What is the total mass of the excess reactants left over after the reaction is complete?
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