Aniline is a weak organic base with a Kbof 4.17 x 10-10. Find the pH of a 0.373 M aqueous solution of aniline.

Find the pH of a 0.381 M aqueous solution of hypobromous acid (HOBr), for which Ka = 2.1 * 10-⁹. 9.45 5.11 8.89 4.55

A.) What is the pOH of an aqueous solution of 3.71×10-3 M potassium hydroxide?pOH =  B.) What concentration of sodium hydroxide is needed to give an aqueous solution with a pH of 11.070?Molarity of sodium hydroxide =  M

What is the pH of a 0.652 M solution of hydroxylammonium, a weak acid with a K, of 1.1 x 10-6? Oa. 0.19 Ob. 3.07 Ос. 7.2 х 10-7 Od. 5.96 Oe. 6.14

8. Dimethylamine (CH3),NH is a weak base with a pKa of 11.0 Calculate the pH of a solution of dimethylamine at 0.10 mol.L-1. b. Calculate the pH of a solution of dimethylamine at 1.0 x 10-² mol.L·'. а.

What is the pH of a 0.35 M solution of a Base with a  Kb = 4.4 × 10–4 at 25oC? Identify the step(s) where a mistake was made. Step 1:  An ICE table was set up Step 2:  The student ran the 5% test and it failed. Step 3:  At equilibrium, the concentrations were the following:             i.  B= 0.35-x            ii.  Conjugate acid= x           iii. Conjugate base= x Step 4:  The value of x is equivalent to the pH. The step(s) that are incorrect is/are (if multiple steps,____________ use a comma to separate the steps)  and the correct answer is___________

4 A solution is prepared at 25 °C that is initially 0.29M in nitrous acid (HNO₂), a weak acid with K₁=4.5 × 10 Calculate the pH of the solution. Round your answer to 2 decimal places. pH -0 = X Ś and 0.26M in sodium nitrite (NaNO₂) I

Calculate the pH of a 0.15 M solution of sodium acetate (CH3COONa). What is the percent hydrolysis?(Kb= 5.6 x 10-10)

Find the pH of a 0.337 M aqueous solution of hydrofluoric acid (HF), for which Ka = 6.8 × 10-4.

Calculate the pH at 25 °C of a 0.28M solution of sodium propionate (NaC₂H, CO₂). Note that propionic acid (HC₂H,CO₂) is a weak acid with a pK of 4.89. Round your answer to 1 decimal place.