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Mole Fraction

Q. A solution is prepared by mixing 0.03 mol CH2Cl2 and .05 mol Ch2Br2 at 25C. Assuming the solution is ideal; calculate the composition of the vapor (in terms of mole fraction) at 25C. At 25C, the vapor pressures of pure CH2Cl2 and CH2Br2 are 133 and 11.4 torr, respectively

Solved • Oct 24, 2019

Mole Fraction

Q. A 7.00 l tank at 29.9 degrees C is filled with 4.40 g of sulfur tetrafluoride gas and 20.0 g of dinitrogen monoxide gas. You may assume both gases behave as ideal gases under these conditions. Calculate the mole fraction of each gas. Be sure each of your answer entries has the correct number of significantdigits.

Solved • Sep 27, 2019

Mole Fraction

Q. 9. Find the mole fraction of each substance in a solution made with 80.0g of benzene and 15.0g of heptane.

Solved • Sep 25, 2019

Mole Fraction

Q. 1. Find the mole fraction of magnesium sulfate when 20g of magnesium sulfate is dissolved in 600mL of water.

Solved • Sep 25, 2019

Mole Fraction

Q. Calculate the mole fraction of the acid in the solution.

Solved • Sep 24, 2019

Mole Fraction

Q. A 21.0 m solution of NaOH has a density of 1.46 g/cm^3 at 20 degrees C. Calculate the mole fraction (X), weight percent (%), and molarity (M) of NaOH?

Solved • Sep 23, 2019

Mole Fraction

Q. You want to prepare an aqueous solution of ethylene glycol, HOCH2CHOH, in which the mole fraction of solute is 0.121. What mass of ethylene glycol, in grams, should you combine with 955 g of water?

Solved • Sep 23, 2019