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Uric acid dissociates as exposed in the figure at the right with a pKa of 5.80, as well as can be treated as a simple monoprotic acid in this pH range. Its solubility in urine depends on the relative amount of protonated and unprotonated forms. A urine sample was found to have a pH of 5.34. Define what would be the ratio of the unprotonated form A- to the protonated form, HA, for uric acid in this urine sample?
The density of germanium is 5.325g/cm3. If you made a 5nm quantum dot of germanium, Explain how many Ge atoms would it contain. Presume the dot is spherical.
Calculate the maximum mass of calcium metal that should be used in an equivalent mass determination with a 100-mL gas measuring tube for collection. For the purposes of calculation, assume 80.0 mL of hydrogen gas produced at standard conditions
How does one perform pH analyzer calibration and why is calibration necessary for a pH analyzer?
Solid CrF3 contains a Cr(III) ion surrounded by six F- ions in an octahedral geometry, all at distances of 190 pm. However, MnF3 is in a distorted geometry with Mn-F distances of 179, 191, and 209 pm (two of each). Suggest an explanation.
If a gas is collected over water at 30.0oC in a 50.0 ml container and the pressure of the "wet" gas is found to be 645 torr, what would the pressure of the "dry" gas be in the same container and temp.
identify the absorptions associated witht he carbonyl group and with the aromatic rings
A volume of 18.0 contains a mixture of 0.250 , 0.250 , and an unknown quantity of . The temperature of the mixture is 0 , and the total pressure is 1.00 . How many grams of helium are present in the gas mixture
the cu is drawn into wire whose diameter 2r is 8.50mm if the density of copper is 8.94 gcm 3 then determine how many
how do you calculate the concentration of oxalic acid and potassium permanganate for each run when you are given the
the common pain relievers asprin c9h8o4 acetaminophen c8h9no2 and naproxen sodium c14h13o3na are all available in
a gas occupying a volume of 139 ml at a pressure of .970 atm is allowed to expand at constant temperature until the
calculate the pH a solution that contains 0.800% C5H5N by mass and 0.815% C5H5NHCl by mass
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