What is the mole fraction of ethanol in the solution
Question: At 63.5 degrees celsius, the vapor pressure of water is 175 torr and that of ethanol, C2H5OH, is 400 torr. A solution is prepared by mixing equal masses of H20 and C2H5OH. What is the mole fraction of ethanol in the solution?
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In a solution of NH3, the concentration of NH3 is 0.01 M, Kb is 1.8 x 10-5. What is the concentration of the hydroxide ion
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1.what advantage do calcium chloride pellets have over magnesium sulfate powder. 2.what advantage does decantation have over filtration for small volumes
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