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In our lab we completed conductometric titrations of FeCl3 + 6H2O and CuCl2+2H2O causing each of them to undergo double displacement reactions.
I have 2 questions:
What is the pH of a solution of 0.700 M K2HO4, potassium hydrogen phosphate. What is the pH of a solution of 0.450 M KH2PO4, potassium dihydrogen phosphate
A ground state H atom absorbs a photon of wavelength 91.72 nm. Explain what higher energy level did the electron reach
what is the freezing point of solution made up of 54.9 g of NaCl dissolved in 800 g of water
What is the partial pressure of hydrogen gas in a mixture of hydrogen and helium if the total pressure is 588 mm Hg and the partial pressure of helium is 445 mm Hg?
naturally occurring gallium consists of two isotopes one of these isotopes is 71Ga with an isotopic mass of 70.9247050 amu and an abundanceof 39.892%. what is the mass number of the other isotope.
Which of the following substances have a standard heat of formation (?Hf°) of zero? Fe at 1200 °C Cl2(g) at 2 atm O2(g) at 25.0 °C and 1 atm C2H6(g) at standard conditions
Find the values of K for the equilibria established when aqueous solutions of the following are mixed.
Using the following data, calculate the pressure of 1.00mol of Ar(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aAr=136.3L2kPa mol-2; bAr=0.0322L ..
To obtain a 18.0% (w/v) solution of copper sulfate (CuSO4), M.W = 160) when only the crystalline salt is available (CuSO4 x 5H2O, M.W. = 250) what should the crystalline salt be weight to prepare 450.0 mL of solution
The mixture did not rotate the plane of polarized light before. How had the mold changed the solution to become optically active?
Calculate the percentage of the principal basic component in the sample (That is, the component that is present in the largest percentage. You will need to determine which species are present and calculate the mass percent for each of them in the ..
If one person has written a component but others have revised it, who is responsible if the component fails? What are the legal and ethical implications of reusing someone else's component?
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