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The density of toluene (C6H5CH3) at 25 °C = 0.862 g/mL, and its vapor pressure at 25 °C = 28.44 torr. At 25 °C, the vapor pressure of toluene above a solution of naphthalene (C10H8) in 500.0 mL toluene is found to be 27.92 torr. How many grams of naphthalene are present in the solution?
The reaction of diethyl heptanedioate with sodium ethoxide would give as the product what
What product would you expect to make? Propose a detailed reaction mechanism for this reaction. What by-products might be expected in this experiment?
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
Calculate the concentrations of H3O+ and the pH of each acidic solution. Since HCl is a monoprotic acid (an acid that donates only one proton or hydrogen atom permolecule to an aqueous solution), the H3O+ concentration is equivalent to the HCl mol..
A compound with the empirical formula CH2O was found to have a molar mass between 89 and 91 g. What is the molecular formula of the compound?
Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom violate the octet rule or do the oxygen atoms? Use formal charges to decide.
If the average molar mass of a sample of soybean oil is 980 amu, how many grams of NaOH are needed to saponify 1.0 of the oil?
If you have a sample of 2.5 mol of Fe2(SO4)3, how many mol of sulfate ion do you have
If the sign contains neon at a pressure of 1.78 at 38, how many grams of neon are in the sign
Calculate the enthalpy change, , for the process in which 41.5 of water is converted from liquid at 2.1 to vapor at 25.0.
A 2.5-ft3 tank of water at 160 psia and 363.5 oF has how many cubic feet of liquid water in it? Assume that you start with 1lb of H20. Could it contain 5 lb of H2O under these conditions
if 28ml of 7.0m sulphuric acid was spilled determine the minimum mass of sodium bicarbonate or sodium hydrogen
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