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A 0.040 M solution of a monoprotic acid is 14 percent ionized. Calculate the ionization constant of the acid.
an aqueous solution of cacl2 has a vapor pressure of 83.0mmhg at 50 c . the vapor pressure of pure water at this
A solution containing 80 g of KCl in 200 g of water at 50 0 C is cooled to 20 0C, a) How many grams of KCl remained in solution at 20 0C and b) How many grams of KCl crystallized out
Choose the answer in which the three atoms and/or ions are listed in order of increasing EXPECTED size (smallest particle listed first) assuming that the simple shell model of the atom is correct.
3.24 x 10-3 g of a protein was dissolved in water (total vol. of 5.00 mL). Given the osmotic pressure of the solution was 1.50 x 10-3 atm and the temperature is 298.0K, calculate the molar mass of the protein.
A sealed container with a capacity of exactly 100 mL contains 96.0 mL of liquid water at 0 degrees C. If the water freezes, will the container rupture
Which statement is correct about transition metals? A. They have incompletely filled d subshells. B. They form paramagnetic compounds. C. They form ions with incompletely filled d subshells. D. They have catalytic activity. E. All of the answers a..
Propionic acid and methyl acetate are isomers. Which has the higher boiling point and why? Which one would have the greater Rf value on TLC? Why
determinenbsp the molarity of a solution of sodium hydroxidenbsp naoh if 27.9 ml of this solution combines exactly with
(a) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.35L of a 1.25M H3PO4 solution. (b) What volume, in Liters, of a 1.25 M H3PO4 solution can be prepared by diluting 50 mL of a 4.5M H3..
Calculate the potential developed by a voltaic cell using the following reaction if all dissolved species are 0.025 M: 2 Fe2+ (aq) + H2O2 (aq) + 2 H+ (aq) ? 2 Fe3+ (aq) + 2 H2O (l)
If the tank was actually pressurized such that the top surface of milk was at a pressure of 123.0 kPa, what was the actual height of milk in the tank?
calculate the potential of a platinium electrode immersed in a solution prepared by mixing 25.00ml of 0.0918 M SnCl2
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