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1. Calculate the percent ionization of benzoic acid at the following concentrations: a.0.20 M b.0.00020 M
2. A 0.040 M solution of a monoprotic acid is 14 percent ionized. Calculate the ionization constant of the acid.
3. Calculate the pH for each of the following solutions:
a. 0.10 M NH3
b. 0.050 M C5H5N (pyridine)
4. What is the original molarity of a solution of ammonia whose pH is 11.22?
5. Predict the acid strengths of the following compounds: H2O, H2S, and H2Se.
Maleic anhydride reacts with ethylene glycol to produce an alkyd resin. Draw the structure of the condensation polymer produced.
A spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation (light) by free atoms in the gaseous state
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a boy use a metalnbsp that was heat up in hot h2o and then put into a styrofoam cup of h2o at room temperature.
dissolving one mole of a non-volatile solute in 4 moles of a volatile solvent. If the vapor pressure of the pure solvent is 20 torr, what will be the vapor pressure of the solution.
If you have 4.14 g of caffeine dissolved in 61.0 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 96.9 mL
The specific rate constant of the decomposition of azoisopropane at 270°C ??is 2.06x10-7s -1. Calculate the percentage of the original sample decomposed after 25 s. And the time Necessary for 95% of the sample to decompose.
What volume of nitric acid solution with mass fraction
How many Kilowatt hours of energy are necessary to heat the air in the room from 7'c to 28'C? The heat capacity of air is 1.03 J/g'C
How would you characterize the difference in approaches between the Bowker and Prothero required texts especially regarding the Abrahamic Traditions? Did anything leave a lasting impression?
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the mo- lar mass of the solute?
three gases 8.00 of methane 18.0 of ethane and an unknown amount of propane were added to the same 10.0- container.
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