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Calculate pCO2+ at each of the following points in the titration of 25.00 mL of 0.02022 M CO2+ by 0.03855 M EDTA at pH 6.00.
(a) 12.00 mL
(b) 14.00 mL
a 10.00-ml sample of vinegar which is an aqueous solution of acetic acid hc2h3o2 is titrated with 0.5062 m naoh and
calculate the pH a solution that contains 0.800% C5H5N by mass and 0.815% C5H5NHCl by mass
what is the energy uncertainty associated with a short pulse of laser light that lasts 4.8fs
What is the ratio of the initial rate to the rate at 50% completion?(b) In reaction 2, the initial [NO] is twice the initial [O3]. What is the ratio of the initial rate to the rate at 50% completion
Semiconductors, such as silicon, are the heart of the circuits that form the basis for computers and other electronics. These materials are characterized by a gap in the energy
You have to prepare a pH 5.06 buffer, and you have the following 0.10M solutions available: HCOOH, HCOONa, CH3COOH, CH3COONa, HCN, and NaCN. Which solutions would you use
Is the solubility of a cation predictable from the position of its element in the Periodic Table? Is precipitate color predictable from the position of the cations element in the Periodic Table?
What is the volume of the bubble (in cubic centimeters) just before it reaches the surface? (The density of water is 1000 kg/m^3 and air pressure is 1E+05 N/m^2.)
How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
Use the periodic table to determine the element corresponding to each of the following electron configurations.
To qualify to run in the 2005 Boston Marathon, a distance of 26.2 miles, an 18 year old woman had to have competed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
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