What is the H† concentration for an aqueous solution with pOH = 2.70 at 25 °C?

Q: The H* concentration in an aqueous solution at 25 °C is 8.7 x 10°. What is [OH]?

A: Given: Temperature = 25 oC Concentration of H+ = [H+] = 8.7 x 10-6

Q: The

A: Phosphoric acid is a polyprotic acid. It's last dissociation so slow so that's why we can not…

Q: What is the [H+] of a 0.650 M solution of acetic acid? Ka (acetic acid) = 1.8 x 10-5.

A: Given : Concentration of acetic acid = 0.650 M  Ka = 1.8 x 10-5

Q: What is the reaction associated with the autoionization constant of water, Kw? Group of answer…

A:

Q: At equilibrium, a 0.45 M [NH3] solution produced an [OH-] of 2.90*10^-3 M. What is the Ka of this…

A: Given, equilibrium concentration of NH3 = 0.45 M, and equilibrium concentration of OH– = 2.90 ×…

Q: Calculate the values of 3H+4 and 3OH- 4 in a neutral aqueous solution at 25 °C

A: SOLUTION: Step 1: A neutral solution indicates pH is 7. At 25 0C, the concentrations of H+ and OH-…

Q: What is the pH (to two decimal places) of a 50.0 mL 0.15 M HNO2 aqueous solution (at 25 °C) after…

A: Given that, 50.0 mL of 0.15 M HNO2 aqueous solution (at 25 °C) and 15.0 mL of 0.20 M NaOH are mixed.…

Q: What concentration of NaF is required to make [H3O+] = 2.3 × 10−4 in a 0.300-M solution of HF?

A: HF is a weak acid and NaF is the salt of its conjugate base. Thus , the given solution is buffer…

Q: What are the concentrations of OH−OH− and H+H+ in a 0.00089 M0.00089M solution of Ba(OH)2Ba(OH)2 at…

A: Barium hydroxide is a base , 1 mole of Ba(OH)2 can give 2 mole of OH-  at 25oC…

Q: What is the pOH of a 5.6 x 10-4 M solution of CsOH?

A:

Q: Assuming complete dissociation, what is the pH of a 4.57 mg/L4.57 mg/L Ba(OH)2Ba(OH)2 solutio

A: We have to calculate the pH of Solution.

Q: What is the pOH of an aqueous solution of 5.81×10 M nitric acid? pOH =

A:

Q: 25°C, a 0.18 M  solution of hydroxylamine, NH2OH that acts as a weak base, is 4.7% ionized. What is…

A: The question is based on the concept of chemical equilibrium. we have been given concentration and…

Q: What is the pH (to two decimal places) of a 0.15 M NH3 and 0.15 M ammonium chloride aqueous solution…

A: The pH of buffer can be calculated by using Handerson equation . Ammonia and ammonium chloride forms…

Q: Complete the following statements about the below solutions at 25 °C? 1. The pOH of 9.95 x 105 M KOH…

A: at 25°C ;  pH + pOH = 14.0  pOH = -log[OH-]

Q: Assuming complete dissociation, what is the pH of a 3.39 mg/L 2Ba(OH)2 solution?

A: Given, Mass of Ba(OH)2= 3.39 mg/L= 3.39 × 10-3 g/L We know , pH = -log[H+] Kw = [OH-] × [H+]

Q: Which aqueous solution has the lowest pH at 25 °C? 0.45 M H2S O 0.35 M HF O 0.34 M HOCIO O 0.33 M…

A: Answer :-  0.33 M HBr has lowest PH at 25 °C

Q: What is the pOH of an aqueous solution of 0.210 M hydroiodic acid? pOH =

A: The pH is defined as----- PH = - log [H+] The pOH is defined as---- POH = - log [OH-] We know the…

Q: What is the concentration of hydroxide ion in a 0.77 M aqueous solution of hydroxylamine, NH2OH?…

A:

Q: What is [OH−] (in mM) in a solution of 0.24 M CH3NH2 and 0.127 M CH3NH3Cl? CH3NH2(aq) + H2O(l) ⇌…

A:

Q: At 25°C, what is the hydroxide ion concentration, [OH−], in an aqueous solution with a hydrogen ion…

A: Given,The hydrogen concentration, [H+] = 3.1 x 10-9 M

Q: What is the hydronium ion concentration in an aqueous solution with a hydroxide ion concentration of…

A: Given:  Hydroxide ion concentration is 0.0010 M [OH-] = 0.0010M

Q: Calculate the pOH of a solution that contains 3.9 x 10 mol L H,O* at 25 °C. O 10.59 O 3.31 O 9.14 O…

A: The hydrogen ion concentration of the given solution is = 3.9×10-4 mol L-1 The pOH of the solution…

Q: What is the pH of a 0.780 M solution at 25 oC?   (  Ka = 4.9 x 10−10, at 25 oC)

A: Given, concentration of a solution (c) = 0.780M dissociation constant of acid (Ka) = 4.9×10-10

Q: What is the pOH of a 0.20 M NH4C1 solution ? Kp for NH3 is 1.8 × 10-5. 11.28 2.72 9.02 4.98

A: Answer: NH4Cl is the salt of weak base and strong acid, therefore in the solution hydrolysis of NH4+…

Q: In an aqueous solution, if H* increases then OH decreases. True O False

A: The question is based on the concept of equilibrium. ionic product of water is given as product of…

Q: An aqueous solution has a pOH of 4.771.  What is the H+ concentration (in M)?

A: pOH = 4.771 pH + pOH = 14

Q: Ionic compounds are strong electrolytes which means they typically ionize completely to form the…

A: Given, Ionic compounds are strong electrolytes which means they typically ionize completely to form…

Q: At 25 °C What is the hydroxide ion concentration , [OH^ - ] , in an aqueous solution with a hydrogen…

A: The pH value of a solution determines its acidic or basic nature. Further, the pH value is…

Q: What is the OH– concentration of an aqueous solution with a pH of 9.83? (Kw = 1.01 ´ 10–14)

A: Acid-base equilibrium.

Q: A 1.00 M solution of acetic acid, CH 3COOH has a [H 30 *] = 4.2 x 10 3 M. What is the percent…

A: Since the dissociation reaction is  CH3COOH + H2O ----> CH3COO- + H3O+  Hence from the above…