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Calculate the % of acetic acid in vinegar is the mass of acetic acid is 0.104 g and the mass of the vinegar is 2.00 mL, assuming that the density of vinegar is 1.02 g/mL.
A student is asked to prepare a buffer solution at pH=8.60 using one of the following weak acids HA (kA=2.7*10^-3), HB (Ka = 4.4*10^-6) and HC (Ka = 2.6 *10^-9).
if 50.00ml of Ba(OH)2 solution is mixed with 30ml of HBr solution, what is the pH of the resulting solution. (0.1385 M Ba(OH)2 and 0.2050 M HBr).
Assume you have a mixture of gases that contains 3.50 L of helium, some argon at 1.03 atm, and some neon at 27 degrees C. For which gas(es)
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
what are the names of the products in this equation?
On the coldest day of last year, what was the temperature at the bottom of Lake Michigan? explain your answer in terms of the density of water.
In a gas mixture, the partial pressures are nitrogen 430 , oxygen 115 , and helium 235 . What is the total pressure ( ) exerted by the gas mixture?
Compute the molality of a solution containing 327 g glucose(C6H12O6) dissolved in 1.52 L of water. (Assume a density of 1.00 g/mL for water.)
What molarity of sulfide ion will produce the greatest amount of lead sulfide (Ksp = 8.0 x 10-28) precipitate without precipitating any tin(II) sulfide(Ksp = 1.0 x 10-25)
What by-product is formed along with benzilic acid in this experiment? Draw a structural formula for this substence.
Calculate what the pH is at 0 mL added strong acid, the quarter-, half-, and three-quarter-equivalence points, the equivalence point, and when excess acid has been added.
Predict the proton NMR spectrum expected for CH3CHBrCH3. Indicate the proton responsible for the observed peak. Sketch the spectrum.
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