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Mole Fraction

Q. Determine the ratio of amount NaOH reacting per unit amount FeCl3. Enter an integer that represents x mol NaOH/ 1 mol FeCl3. 1.50 mol NaOH 0.50 mol FeCl3

Solved • Feb 4, 2020

Mole Fraction

Q. An aqueous solution is 0.500% by mass ammonia, NH3, and has a density of 0.996 g/mL. The mole fraction of ammonia in the solution is ________.

Solved • Feb 4, 2020

Mole Fraction

Q. An aqueous solution is 28.0 % by mass potassium bromide, KBr, and has a density of 1.24 g/mL. The mole fraction of potassium bromide in the solution is _____.

Solved • Feb 4, 2020

Mole Fraction

Q. A solution was prepared by dissolving 27.0 g of KCL in 225 g of water. Calculate the mole fraction of the ionic species KCl in the solution. Express the concentration numerically as a mole fraction in decimal form.

Solved • Jan 31, 2020

Mole Fraction

Q. A solution was prepared by dissolving 35.0 g of KCl in 225 g of water. Calculate the mole fraction of the ionic species KCl in the solution. Express the concentration numerically as a mole fraction in decimal form.

Solved • Jan 31, 2020

Mole Fraction

Q. An aqueous solution is 13.0% by mass potassium bromide, KBr, and has a density of 1.10 g/mL. The mole fraction of potassium bromide in the solution is ____ .

Solved • Jan 28, 2020

Mole Fraction

Q. A sulfuric acid solution containing 571.2 g of H2SO4 per liter of aqueous solution has a density of 1.329 g/cm3. Calculate the mole fraction of H2SO4 in this solution. Express your answer using four significant figures.

Solved • Jan 26, 2020