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A 1.00 L solution saturated at 25 degrees Celsius with calcium oxalate CaC2O4 contains 0.0061 g of CaC2O4. Compute the solubility-product constant for this salt at 25 degrees Celsius. Ksp =
The wavelength ranges corresponding to each color of light are approximate: red, 700-620 nm; orange, 620-590 nm ; yellow , 590-570 nm; green, 570-500 nm; violet, 450-400nm. You have drawn the absorption spectra for the solution containing 5.0, 6.7..
Compare the molar solubility of AgOH in pure water, with that in a solution buffered at pH 7.00. Note the difference between the two cases: when AgOH is dissolved in pure water, the pH does not remain at 7. The value of Ksp for AgOH is 1.5x10-8 at..
Why can NH3 function as a ligand with Ni^2+ While NH_4 + cannot function as a ligand with Ni^2+
a buffer solution is prepred by adding 5.50g of ammonium chloride and 0.0188 mol of ammonia to enough water to make 155mL of solution a) What is the pH of the buffer
A sample of krypton gas at a pressure of 0.621 atm and a temperature of 20.7oC, occupies a volume of 17.2 liters. If the gas is compressed at constant temperature to a volume of 5.62 liters, the pressure of the gas sample will be
Calculate the mass deficiency in amu, binding enery in J/atom, and binding energy in MeV/nucleon for zinc-64, with an actual mass of 63.9291 amu.
ascorbic acid vitamin cc6h8o6 is a water-soluble vitamin. a solution containing 80.5 g of ascorbic acid dissolved in
What is the role of sodium sulfite? How does it work? Please use an equation to explain this. Why was the work-up step so important in this experiment? What can be found in the top layer, and the bottom layer in the extraction step?
a persons blood alcohol c2h5oh level can be determined by titrating a sample of blood plasma with potassium dichromate
What is it about the structure of ammonia that will allow it to complex with metal ions whereas the ammonium ion (from ammonium sulfate) will not form complexes
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
A student did an alkalinity determination correctly, except that the sample titrated has a volume of 90.0 mL Volume A was found to be 4.50mL and volume B was 7.00 mL. calculate the alkalinity value from these data and the calculate the correct valu..
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