Zadanie 4b
A sample of the sodium hydroxide solution is gradually added to 25.0 cm3 of an aqueous solution of an unknown organic acid, producing the following pH curve. Calculate the concentration of the unknown organic acid.
- Materiał graficzny
Sketch and interpret the pH curve for a strong acid titrated with a strong base (or the reverse), identifying the initial pH, the near-vertical jump at the equivalence point around pH 7 and the final pH.
Tę umiejętność sprawdzają 2 zadania wzorowane na arkuszach IB z lat 2024–2026.
A sample of the sodium hydroxide solution is gradually added to 25.0 cm3 of an aqueous solution of an unknown organic acid, producing the following pH curve. Calculate the concentration of the unknown organic acid.
In a titration, 25.00 cm3 of a 0.120 mol dm−3 solution of a weak monoprotic organic acid, HA, was neutralized by adding sodium hydroxide solution, NaOH(aq), from a burette. The pH curve obtained is shown. Determine the concentration,…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.