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Problem- A 0.093 M solution of a weak monoprotic acid is 2.2% ionized at 25 degrees C. What is the acid-ionization constant, Ka, for this acid?
A) 2.2 * 10^-2
B) 9.3 * 10^-2
C) 2.0 * 10^-3
D) 4.8 * 10^-4
E) 4.6 * 10^-5
Show all steps to describe the solution of above problem
The initial concentration of lead(II)nitrate is 0.250M. and we used 1.00 ml. the lead(II)nitrate was titrated with 7.96 ml of 0.0500M of potassium iodide. A) Determine the concentration of lead(II) ion. B) Determine the iodide concentration. C) Det..
Problem- What is oxidized, if anything, and what is reduced, if anything, in the following reaction: Cu2+(aq) + Fe(s) --> Fe2+(aq) + Cu(s)
Friedel-Crafts alkylation of toluene (C6H5CH3) with tert-butyl chloride [(CH3)3CCl] and aluminum chloride (AlCl3) occurs
A typical bathtub can hold 100 gallons of water. Calculate the mass of the natural gas that would need to be burned to heat the water for a tub of the is size from 65 degrees farenheight to 108 degrees farenheight. Assume that natural gas is pure m..
Problem- Calculate the vapor pressure of water at 85 Celsius in mmhg and atmospheres. The normal boiling point of water is 100C. The heat of vaporization of water is 40.7 kj/mol
A 0.1276g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base had been added
Remember gasoline is merely a molecule made of carbon and hydrogen. Explain if the theoretical heat of combustion for gasoline is -48kJ/g, define how many kJ of energy are produced through the combustion one gallon of gasoline
1. how many times would a mole of timbits placed end to end reach from here to mars and back. distance from earth to
If a cell is in a resting state, which of the following is NOT true: a. cell needs little energy b. high ATP, low ADP levels
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4 degrees C.
List 4 isotopes with their approximate atomic weight and approximate percentages commonly found in organic molecules that can be used to help determine the molecular formla of unknown samples using mass spectrometry measurments
Assume it took the entire allotted time. If we used anisole instead of methyl benzoate to run an analogous reaction, how much time would a similar nitration reaction take.
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