Question

In: Other

Calculate the pH and the equilibrium concentration of Se2- in a 8.75×10-2 M hydroselenic acid solution,...

Calculate the pH and the equilibrium concentration of Se^2- in a 8.75×10^-2 M hydroselenic acid solution, H₂Se (aq).

For H₂Se, K_a1 = 1.3×10^-4 and K_a2 = 1.0×10^-11

pH =
[Se^2-] =	M

Calculate the pH and the equilibrium concentrations of HS- and S2- in a 0.0425 M hydrosulfuric acid solution, H2S (aq).

For H2S, Ka1 = 1.0×10-7 and Ka2 = 1.0×10-19

pH =
[HS^-] =	M
[S^2-] =	M

Expert Solution

Amanda K answered 2 years ago

Calculate the equilibrium concentration of carbonate in a 0.067 M solution of carbonic acid. Do not...

Calculate the equilibrium concentration of carbonate in a 0.067 M solution of carbonic acid. Do not enter units as part of your answer. Use “E” for scientific notation. Ascorbic acid (Vitamin C, CHO) is a weak diprotic acid, with K = 6.8x10 and K = 2.7x10. What is the pH of a solution that contains 10.0 mg of vitamin C per 1.0 mL of solution?

Calculate the equilibrium concentration of C2O42− in a 0.20 M solution of oxalic acid. Express your...

Calculate the equilibrium concentration of C2O42− in a 0.20 M solution of oxalic acid. Express your answer to two significant figures and include the appropriate units. Hints [C2O42−] = SubmitMy AnswersGive Up

Calculate the pH of .346 M aqueous solution hydrocyanic acid HCN, Ka=4.0x10^-10 and the equilibrium concentrations...

Calculate the pH of .346 M aqueous solution hydrocyanic acid HCN, Ka=4.0x10^-10 and the equilibrium concentrations of the weak acid and it’s conjugate base pH= HCN equilibrium= CN-= Calculate the pH of a .0169 M aqueous solution of hydro fluoric acid HF, Ka=6.6x10^-4 and the equilibrium concentrations of the weak acid and it’s conjugate base pH= HF equilibrium= F-=

What is the pH and the equilibrium concentration of PO43- in a 0.511 M solution of...

What is the pH and the equilibrium concentration of PO43- in a 0.511 M solution of H3PO4(aq)? Ka1=7.5*10-3, Ka2=6.2*10-8, Ka3=4.8*10-13

Calculate the equilibrium concentration of undissociated in a glycolic acid solution with an analytical glycolic acid...

Calculate the equilibrium concentration of undissociated in a glycolic acid solution with an analytical glycolic acid concentration of 0.0824 and a pH of 3.180.

Calculate the pH of 510. mL of a 8.16×10-2-M solution of hydrofluoric acid before and after...

Calculate the pH of 510. mL of a 8.16×10-2-M solution of hydrofluoric acid before and after the addition of 7.65×10-2 mol of potassium fluoride. pH befor addition = pH after addition =

1)Calculate the pH of a 6.50×10-3M solution of hydroiodic acid, HI. 2)Calculate the pH of a...

1)Calculate the pH of a 6.50×10-3M solution of hydroiodic acid, HI. 2)Calculate the pH of a 0.725M solution of nitrous acid, HNO₂.

pH of Aqueous Sulfuric Acid Calculate the pH of a 2.07×10-3 M solution of H2SO4. (Ka...

pH of Aqueous Sulfuric Acid Calculate the pH of a 2.07×10-3 M solution of H2SO4. (Ka = 0.0120 for HSO4-)

Using the aqueous equilibrium constants, calculate the concentration of OH- in M and pH for the...

Using the aqueous equilibrium constants, calculate the concentration of OH- in M and pH for the following solutions (given that all are at 25 degrees celsius): 0.15 M NaBrO 8.2×10−2 M NaHS. A mixture that is 0.13 M in NaNO2 and 0.25 M in Ca(NO2)2. Thank you! :)

Calculate the pH of a solution that is 1.20×10−3 M in HCl and 1.10×10−2 M in...

Calculate the pH of a solution that is 1.20×10−3 M in HCl and 1.10×10−2 M in HClO2.