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Vapor pressure of pure benzene (C6H6) is 78 torr as well as that of toluene (C7H8) is 56 torr. Compute the total pressure, the mole fraction as well as the precent by mass of benzene in the vapor above a solution containing 65% benzene by mass.
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 12.0% NaOH by mass
write an assay paper review on the application of suspended particles or particles solid form liquid or gas such as in
A gaseous mixture has a volume of 240L and a pressure of 1.35atm at 24*C. The mixture is 67% He and 33% Kr by mass. What is the mass of Kr
Classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Draw the two stereoisomers formed for the reaction of (E)-2-pentene with bromine in carbon tetrachloride.
when comparing solution of equal concentration, what is the relationship between the pH of an acid solution and the acid's Ka. When comparing solutions of equal concentration, what is the realtionship the pH of a basic solution and the base's kb
1) a sample measures 711mmHg pressure at 15 degree C. Later the temperature goes to 45 degree C. What is the new pressure 2) a gas is at 45.2 atm and 51 degree C. what is the pressure at 15 degree C
Calculate the vapor pressure of a solution containing 29.4 g of glycerin (C3H8O3) in 120 mL of water at 30.0 C. The vapor pressure of pure water at this temperature is 31.8 torr
A substance containing 28.84% Nitrogen, 0.0648g Hydrogen, and Oxygen and Carbon, with (total) mass (of the substance) 1.2953, is burned in excess oxygen to produce 2.241 grams of carbon dioxide.
Explain Burning in pure oxygen, the hydrocarbon gas butane, C4H10, produces carbon dioxide and water. If 0.30 moles of butane are burned, define how many moles of carbon dioxide and water are formed
which non-metal anion bearing a charge of -1 is represented by the electronic configuration 1s22s22p6? write down your
explain why the rf values changed when the eluant was changed from 100 petroleum ether to a 955 mixture of petroleum
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