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A solution is prepared by mixing 54.0mL toluene (C6H5CH3, d = 0.867 g/cm3) with 280mL benzene (C6H6, d = 0.874 g/cm3). Presume that the volumes add on mixing compute the mass percent, mole fraction, molality and molarity of the toluene.
monoprotic acid. Dihydrogen pthalate (H2C8H4O4) is a diprotic acid. An analyte sample contains 0.127 M KHP and 0.0678 M (H2C8H4O4). What volume of a 0.205 M NaOH solution is required to neutralize 25.0 mL of the analyte solution.
in the course of research a chemist isolates a new compound with an empirical formula c3h3o2. 2.51 g of the compound
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
Fuel engineers use the extent of the change (K) from carbon monoxide and water vapor into carbon dioxide and hydrogen to regulate the proportions of synthetic fuel mixtures
for which Kp=2.00 at 20 C. A mixture of NO(g) at a partial pressure of 1.50 atm and NO2(g) at a partial pressure of 0.50 atm is allowed to come to equilibrium in a sealed container maintained at 20 C.
What change will be caused by adding a small amount of NaOH to a solution containing flouride ion and hydrogen flouride
what is the freezing point of solution made up of 54.9 g of NaCl dissolved in 800 g of water
the u.s. environmental protection agency set a maximum contaminant level mcl for tetrachloroethylene tce c2cl4 in
Write an equation for the Diels- Alder reaction of cyclopentadiene and 1,4 benzoquinone.
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used
Water is about 15% denser than oil. What implication does this difference have on seabirds and other animals that swim
Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures, including hydrogen atoms,
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