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Calculate the pH of each of the following buffered solutions.to 1.00 L of each of the four solutions.(a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5)
(b) 0.100 M sodium propanoate (NaC3H5O2)
(c) pure H2O
(d) a mixture containing 0.100 M HC3H5O2 and 0.100 M NaC3H5O2
Calculate the pH after 0.12 mol of NaOH is added to 1.00 L of the solution that is 0.59 M HF and 1.08 M KF.
Calculate the pH after 0.32 mol of HCl is added to 1.00 L of the solution that is 0.59 M HF and 1.08 M KF.
The half-life for the second order reaction of a substance A is 55 seconds when [A]o is 0.84 M. What time is needed for the concentration to decrease to 1/4 of the original value.
Determine how many moles of carbon dioxide should be added to the system to bring the equilibrium carbon monoxide concentration to 0.743 mol/L
A 1.0 M Na2SO4 solution is slowly added to 10 mL of a solution that is .20 M in Ca^2+ and .30 M in Ag^+. Which compound will precipitate first: CaSO4 Ksp= 2.4 *10^-5 ,Ksp for Ag2SO4 is 1.5*10^-5. How much Na2SO4 solution must be added to initiate ..
Determine the mass of H 2 O is formed if oxygen of 10.0L react completely in the given equation?
The radius of the Earth is approximately 6370 km. if one could dig down straight towards the center of the Earth, one would find that the innermost 3480 km (the core) has an average density of about 11.g/cm^3.
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
Determine how will this error control the final computed percentage of CH3COOH in the vinegar
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
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