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Which of the following will be the least soluble in pentane,C5H12?

@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1533 M for N2 and 0.1311 M for O2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of NO?N2(g) + O2(g) → 2NO(g) Kc = 2.70e-18

@X@user.full_name@X@ @GMU: The following data was obtained by the method of initial rates. What is the rate law for the reaction of A with B to produce product? [A]o [B]o Rate, M/s 0.279 0.223 1.91e-5 0.457 0.223 3.98e-5 0.279 0.443 2.68e-5

@X@user.full_name@X@ @GMU: The osmotic pressure of a 16.150 mM solution of Na3PO4 is 1.213 atm at 22.70 °C. How many ions per formula unit of Na3PO4 must there be? The compound may not be completely ionic.

@X@user.full_name@X@ @GMU: When 0.2663 g of citric acid was dissolved in 103.5 mL of water, the osmotic pressure at 18.65°C was 0.3209 atm. What is the formula mass of this compound?

John Schreifels @GMU: Determine the mass of LiCl required to produce a 0.2309 molal solution by dissolving LiCl in 294.5576 g of H2O. MW(LiCl) = 42.394 g/mol. 

@X@user.full_name@X@ @GMU: When 0.5448 g of sucrose was dissolved in 102.7 mL of water, the osmotic pressure at 18.52°C was 0.3707 atm. What is the formula mass of this compound?

@X@user.full_name@X@ @GMU: Determine the rate of the last set of reaction conditions. [A]o [B]o Rate, M/s 0.347 0.395 3.56e-4 0.687 0.395 3.56e-4 0.347 0.717 2.65e-4 0.687 0.783 ?

@X@user.full_name@X@ @GMU: The reaction below is a exothermic reaction. What would one have to do to shift the equilibrium to the right?2SO2(g) + O2(g)→2SO3(g)

@X@user.full_name@X@ @GMU: What is the molality of a solution made by combining 2.9209 g rubidium chloride, RbCl, with 0.2399 L of water (assume a density of 1.00 g/mL)? The molecular weight is 120.9205 g/mol.