hydroxylamine is a weak base with kb=7.96. determine the pH of 0.742 M hydroxylamine solution (to...

Question

Question

hydroxylamine is a weak base with kb=7.96. determine the pH of 0.742 M hydroxylamine solution (to 2 decimals)

Answer 1

Answer #1

When weak base is tested for its pH

Equation is pOH = (Kb×C)1/2

pOH = ( 7.96×0.742) 1/2

pOH = 2.42

pH= 14-pOH = 14-2.42 = 11.58

Answer 2

Similar Homework Help Questions

1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown...

1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown weak base is 4.7 x 10−6. 2) An unknown weak acid solution with a concentration of 0.0850 M has a pH of 4.35. What is the Ka for this weak acid? 3) What is the pH of a 0.0380 M solution of HNO2? (Use your workbook to find Ka) 4) An unknown weak base solution with a concentration of 0.187 M has a pH...
A 0.135 M solution of a weak base has a pH of 11.26. Determine Kb for...

A 0.135 M solution of a weak base has a pH of 11.26. Determine Kb for the base.
A 0.150 M solution of a weak base has a pH of 11.22. Determine Kb for...

A 0.150 M solution of a weak base has a pH of 11.22. Determine Kb for the base. Express your answer using two significant figures.

Determine the Kb of a weak base if a 0.52 M solution of the base has...

Determine the Kb of a weak base if a 0.52 M solution of the base has a pH of 10.68 at 25°C. Kb = ? × 10 ? (Enter your answer in scientific notation.)
(a) Determine the Kb of a weak base if a 0.847 M aqueous solution of the...

(a) Determine the Kb of a weak base if a 0.847 M aqueous solution of the base at 25°C has a pH of 10.88. (Enter your answer in scientific notation.) (b) Determine the concentration of a solution of ammonium chloride (NH4Cl) that has pH 5.19 at 25°C. (c) Calculate the pH of a 0.011 M NaF solution. (Ka for HF = 7.1 × 10−4.)
Enter your answer in the provided box. Determine the Kb of a weak base if a 0.30 M solution of the base has a pH of...

Enter your answer in the provided box. Determine the Kb of a weak base if a 0.30 M solution of the base has a pH of 11.98 at 25 ° C.

Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb =...

Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb = 1.7 x 10-9). What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ´ 10–5]
Find the pH of a 0.010 M solution of morphine, a weak base with Kb =...

Find the pH of a 0.010 M solution of morphine, a weak base with Kb = 1.6 x 10-6
2. The pH of a 1.79 M solution of a weak base B is measured to...

2. The pH of a 1.79 M solution of a weak base B is measured to be 11.64 Determine Kb of the base Determine Ka of the weak bases's conjugate acid, HB+ Determine [H+] in a 2.00 M solution of the chloride salt, HBCl M Determine the pH of a 2.00 M solution of the chloride salt, HBCl

2. The pH of a 1.53 M solution of a weak base B is measured to...

2. The pH of a 1.53 M solution of a weak base B is measured to be 10.74 Determine Kb of the base Determine K, of the weak bases's conjugate acid, HB* Determine (H+] in a 2.00 M solution of the chloride salt, HBCI Determine the pH of a 2.00 M solution of the chloride salt, HBCI