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A solution of 0.940 g of an organic compound in 100.0 g of benzene has a freezing point of 5.124°C. What are the molality of the solution and the molar mass of the solute? The freezing point of pure of benzene is 5.50°C and the Kf is 5.12.
Why would the densities of the aqueous and organic phases be rather close. How is that possible.
solution is titrated with a solution of NaOH. 23.10mL of the NaOH solution is required to titrate the HCl. Calculate the molarity of the NaOH solution.
175g of water was heated from 15c to 88c. how many calories were absorbed by the water
what would happen to the molar mass of the solute if the thermometer used actually read 1.4 degrees Celsius too high?
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many grams of H2SO4 are required to completely consume 200.0 grams of Al
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]
As you may well know, placing metal objects inside a microwave oven can generate sparks. Two of your friends are arguing over the cause of the sparking, with one stating that the microwaves "herd" electrons into "pointy" areas of the metal object,
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0*10^-8
Four different amino acids can be combined in different sequences to form how many different tetrapeptides?
how many moles of zinc were oxidized. by how many grams did the mass of of the zinc electrode change during this process
Mercury, with a freezing point of -38.8 degrees Celsius, is the only metal that is liquid at room temperature. How much heat energy must be removed from 1.00 mL of mercury at 23.0 degrees Celsius to produce solid mercury?
A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide is described as: O3(g) + NO(g) ---> O2(g) + NO2(g)
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