
What is the PH value of potassium sulphate? - Answers
Jun 18, 2024 · The pKa of HSO4- (the second pKa of H2SO4) is 1.92. The Ka is thus 0.0120
Is HSe- an acid or base? - Answers
Jun 1, 2024 · HSO4 is Hydrogen Sulphate and an amphiprotic species. It is the conjugate base of H2SO4. H2SO4 is sulphuric acid, a very strong acid. ... acid (weak), because pka is near 7.
What is the Ka of NaHSO4? - Answers
May 27, 2024 · The dissociation equation for sodium hydrogen sulfate, NaHSO4, can be written as: NaHSO4 --> Na+ + HSO4- What is the molecular mass of NaHSO4? The molecular mass of NaHSO4 (sodium hydrogen ...
What is the pH value for phosphoric acid? - Answers
May 29, 2024 · It depends on the concentration. pH is the negative log of the concentration of H+ atoms in a solution (measured it molarity, mol/L). Phosphoric acid (H3PO4) has 3 Hs in it, so for every molecule ...
What is the pH of sodium carbonate solutions? - Answers
Feb 7, 2025 · In order of increasing pH: (calculated 'pH about'-values are given for 1.0 M solutions)sodium bisulfate Na+(HSO4)- is weak acidic, pKa= 1.92, (pH about 1.0)acetic acid H(OOCCH3) is weakly acidic ...
Is HSO4- a weak acid - Answers
May 31, 2024 · HSO4- is a weak acid. It is the conjugate base of sulfuric acid (H2SO4), which is a strong acid. However, HSO4- itself is a weak acid and partially dissociates in water.
What is the pH of montelukast sodium? - Answers
May 20, 2024 · In order of increasing pH: (calculated 'pH about'-values are given for 1.0 M solutions)sodium bisulfate Na+(HSO4)- is weak acidic, pKa= 1.92, (pH about 1.0)acetic acid H(OOCCH3) is weakly acidic ...
What is the conjugate acid for HSO4? - Answers
May 23, 2024 · Yes, HSO4- is the hydrogen sulfate ion, which is an acid. It is the conjugate base of sulfuric acid (H2SO4) and can donate a hydrogen ion in solution, making it acidic.
What is the definition of weak acid? - Answers
May 28, 2024 · Is HSO4- a weak acid? HSO4- is a weak acid. It is the conjugate base of sulfuric acid (H2SO4), which is a strong acid. ... resulting in a buffer solution where the pH is determined by the pKa of ...
Is benzoic acid a strong or weak acid? - Answers
May 27, 2024 · Benzoic acid is a weak acid with a pKa of about 4.2. This means it does not completely dissociate in water, making it a weak acid compared to strong acids like hydrochloric acid or sulfuric acid.