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A 23.5 mL volume of a 0.01140 M KMnO4 solution was used to reach the equivalence point in the titration of 0.1055 g of an unknown sample containing the oxalate ion. Determine the mass (in grams) of C2O4 2 - that would be present in a 100 g sample.
If a mixture of argon and xenon have total pressure of 870 torr and the pressure of the argon is 539 torr., what would be the mol ratio of the gases
Consider a container of volume 2.0 dm3 that is divided into two compartments of equal size. In the left compartment there is nitrogen at 1.0 atm and 25°C; in the right compartment there is oxygen at the same temperature and pressure
ethene (C2H4) and H2 form ethane (C2H6). If 159 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.9 kg of C2H6 forms
Write the condensed electron configuration ( using the noble gas electron configuration) of antimony. How many electrons are unpaired. Please show all work and provide all steps.
The calorimeter cup had several millimeters of water in it when you added the HCl in Step 16: b.) The base solution was added to the acid solution but was not stirred while temperature measurement were not made: c.) Some of the base splashed out o..
Determine the mass of water when 12.5L NH3 (at 298 K and 1.50 atm) is reacted with 18.9 L of O2 (at 323 K and 1.1 atm)
if you prepare a 1.00 nh4clo4 solution of beginning with water at 21.5 what is the final temperature of the solution in
A solution is made by mixing 0.5 L of 1.0 molarity KBr and 0.5 L of 1.0 Molarity K3PO4. What is the concentration of each ion in the solution
Calculate the quantity of sodium fluoride in kilograms needed per year for a city of 50,000 people if the daily consumption of water per person is 115.0 gallons.
Which two reagents below would you choose to synthesize 3-ethyl-2-phenyl-2-pentene using the Wittig procedure? (triphenylphosphine, solvents, and a base are provided)
In a redox reaction, NO(2)^- is oxidized to NO(3)^- and Cu^2+ is reduced to Cu^+. Complete and balance the equation for this reaction in acidic solution.
A 0.90g sample of liquid water was introduced into an evacuated 2.00 L flask, which was then sealed and heated to 37 (degree)C. What percentage, by mass, of the water remained as liquid
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