A solution is made by dissolving 0.0100 mol of HF in 1.00 kg of
water. The...
A solution is made by dissolving 0.0100 mol of HF in 1.00 kg of
water. The solution was found to freeze at –0.0236 °C. Calculate
the value of i and estimate the percent ionization of HF in this
solution.
A solution is made by dissolving 0.0100 mol of HF in 1.00 kg of
water. The solution was found to freeze at –0.0236 °C. Calculate
the value of i and estimate the percent ionization of HF in this
solution.
i =____ so HF is ______
a solution is made by dissolving 0.131 mol of
sugar,C12H22O11, in 175 g of
water. the amount by which the vapor pressure is lowered is? (The
vapor pressure of water is 23.76 mm Hg at 25 degrees Celcius.
please explain: thank you!
Answers:
A) 23.00 mm Hg
B) 0.316 mm Hg
C) 17.8 mm Hg
D) 3.11 mm Hg
E) 1.33 mm Hg
The pH of a solution prepared by dissolving 0.350 mol of acetic
acid (CH3CO2H) in 1.00 L of water is 2.64. Determine the pH of the
solution after adding 0.079 moles of sodium hydroxide (NaOH). The
Ka for acetic acid is 1.75E-5 (Assume the final volume is
1.00L)
A buffer solution is prepared by dissolving 0.250 mol of solid
methylamine hydrochloride (CH3NH3Cl) in 1.00
L of 1.10 M methylamine (CH3NH2). The Kb for
methylamine is 4.40x10-4. (Assume the final volume of
the solution is 1.00 L).
A) Write a balanced molecular, total ionic, and net ionic
equation for the completion reaction that occurs when NaOH is added
to this buffer.
B) What is the pH of the solution when 100.0 mL of 1.15 M NaOH
is added? (show...
A buffer solution is made by dissolving 0.230 moles of sodium
hypochlorite in 1.00 L of 0.220 M hypochlorous acid
(HClO). What is the pH of the solution after 0.0100 moles of sodium
hydroxide is added? (The Ka of HClO is 2.9
A solution is made by dissolving 0.531 mol of nonelectrolyte
solute in 765 g of benzene. Calculate the freezing point, Tf, and
boiling point, Tb, of the solution.
A solution is made by dissolving 0.571 mol of nonelectrolyte
solute in 815 g of benzene. Calculate the freezing point, Tf, and
boiling point, Tb, of the solution.
A solution is made by dissolving 0.674 mol of nonelectrolyte solute
in 775 g of benzene. Calculate the freezing point, Tf, and boiling
point, Tb, of the solution. Constants may be found here.
A solution is made by dissolving 0.717 mol of nonelectrolyte
solute in 817 g of benzene. Calculate the freezing point, Tf, and
boiling point, Tb, of the solution.
A solution is made by dissolving 0.543 mol of nonelectrolyte
solute in 817 g of benzene. Calculate the freezing point, Tf, and
boiling point, Tb, of the solution. Constants may be found
here.