please help with numbers 7, 8 and 9 showing work 7. If H.PO, has K. -6.83 x 10', and H.CO, has K, -5.8 x 10", which is the weaker acid? Circle your answer and explain how you know. (pt) 8. For a solution with pH = 9.74, calculate the following: 3ps) [OH) = pOH - 9. (pes total) a. A solution of a weak acid with concentration - 0.11 M. is 8.8 % ionized. Calculate its K, value b. Calculate...
7. If H,PO, has K, -6.83 x 10, and Hco, has K,-5.8x 10", which is the weaker acid? Circle your answer and explain how you know. (Ipt 8. For a solution with pH 9.74, calculate the following: (3pa) [H'] [OH] pOH- 9. (2pas total) a. A solution of a weak acid with concentration 0.11 M. is 8.8 % ionized. Calculate its K, value. K, b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with [H']...
A weak acid has an initial concentration of 0.3 M (K = 1.3 x 10-7) A) Calculate (H) at equilibrium in molarity B) Calculate [OH-] at equilibrium in molarity C) Calculate pH of the solution D) % ionization of the acid
The acid dissociation constant K of boric acid (H,BO,) is 5.8 x 10-40. Calculate the pH of a 3.6 M solution of boric acid. Round your answer to 1 decimal place. pH = 0 X 5 ?
The acid dissociation constant K of boric acid (H,BO2) is 5.8 x 100. Calculate the pH of a 4.3 M solution of boric acid. Round your answer to 1 decimal plac pH = 0 I Don't Know Submit
If the K, of a monoprotic weak acid is 5.8 x 10, what is the pH of a 0.48 M solution of this acid? pH =
3. Calculate and insert the proper values to complete the following table: 8pts) [H+M pH Acidic or Basic [OH-M Solution 8.21 POH 1.78 x 10 3.70 x 10-2 4. Give definitions of an Arrhenius acid, a Bronsted-Lowry acid, and a Lewis acid. (3pts) 5. Write the two reactions for the complete dissociation of H.SO., a polyprotic acid. 2pts) 6. Calculate the pH of a 0.015 M solution of HBr. Circle your answer. (2pts)
1) The ionization constant for NH4+ is K = 5.8 x 10-10 at 25oC. It is in a reversible equilibrium with ammonia and H+. NH4+ --> NH3 + H+ where, H+ + NH3 --> NH4+ with a k1 = 2.300 x 1010 M-1 s-1 A temperature jump from 20oC to 25oC is made on a 0.1 M NH4Cl solution at pH 6. Calculate the relaxation time in microseconds for the reaction, assuming that the mechanism is given by the ionization...
Calculate the (OH) and the pH of a solution with an (H+] = 3.2 x 10-" Mat 25 °C. [OH-] = pH = Calculate the (H+) and the pH of a solution with an (OH) = 7.0 x 10 M at 25 °C. M [H*] pH Calculate the (H+) and the [OH-] of a solution with a pH = 8.56 at 25 °C. M M (он) Calculate either [H2O+] or [OH-] for each of the solutions. Solution A: [OH-] =...
alculate the pH of a 0.543 M NH, solution. NH, has a Ky = 1.8 x 10 pH = Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral 0 pH = 4.59 pH=9.54 (H+) = 10x 10-7 pOH = 11.67 pOH = 4.94 (H+) - 3.7x 10-2 [H*) = 6.8 x 10- pOH = 7.00 [OH-] = 2.2 x 10- [OH-] = 5,5 x 10" Answer Bank Vhat...