The K_b of methylamine is 4.4 x 10^–4. What is the approximate [OH^–] of a 1 M solution of methylamine?

What is the pH of a 0.320 M solution of Ca(NO₂)₂ (ka of HNO₂ is 4.5 × 10^-4)?

What is the pH of a 0.750 M solution of NaCN (K_a of HCN is 4.9 × 10^-10)?

How can the pH of a solution be calculated if the pOH is known?

calculate the pH of a 0.10 M solution of hydrazine, N₂H₄ . K_b for hydrazine is 1.3×10⁻⁶ .

What is the [OH⁻] of a 1.40 m solution of pyridine (C₅H₅N, K_b = 1.70 × 10⁻⁹)?

What is the [OH^-] of a 1.40 M solution of pyridine (C₅H₅N, K_b = 1.70 × 10^-9)?

What is the pH of a solution with a hydroxyl ion (OH^-) concentration of 10^-10 M?