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An aqueous solution with an added unknown compound has a boiling point of 106 C. Glucose was added to the solution and the boiling point was reduced to 102 C. Calculate the Van't Hoff Factor of the unknown compound.
what is the molarity of a solution containing 16.0 rm g of rm kcl in 324 rm ml of
0.500 moll of mgso4. what is the concentration of this solution when expressed in percent massvolume? a0.602 b0.415
What differences might you expect in the comparative solubility of each of them in lipids? WHY?
A solution is prepared by mixing 5.00 g of compound Z (molar mass 15.00 g/mol) in 100.0 ml of water. The density of the solution is 1.09 g/ml. Calculate the molarity of the solution.
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 414 units was obtained for the intensity of the 671 nm red emission line. Then 1.00 mL of a 11.9 mM Lithium sta..
Assuming the delta S does not change with temperature, estimate the temperature at which iodine would sublime.
What is the standard free energy of the cell. Is this process spontaneous or non-spontaneous. It makes sense that in order to produce electricity, the plant's redox process should be spontaneous
The solubility of compound A in ethanol is .8g/100 mL at 0 degrees and 5.0g/100mL at 78. What is the minimum amount of ethanol needed to recrystallize a 12.0g sample of compound A
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl?
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
During the course of an experiment, 10.0 mL of water is added to 25.0 mL of aqueous 0.120 M NaCl. What is the concentration of NaCl in the resulting solution
The ionization constant, Ka, for benzoic acid, HC7H5O2, is 6.28 × 10-5. What is the pH of a 0.15 molar solution of this acid
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