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
pH curves for strong acid and strong base
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 3 zadania wzorowane na arkuszach IB z lat 2023–2026.
Zadania sprawdzające tę umiejętność: 3 Otwórz w wyszukiwarce z filtrami
Zadanie 3
A strong acid is placed in a conical flask and a strong base is added to it from a burette. Which graph shows the pH curve for this titration? A. Graph A B. Graph B C. Graph C D. Graph D
- Materiał graficzny
Zadanie 25
Which graph represents the pH curve for the titration of a weak acid with a strong base? A. Graph A B. Graph B C. Graph C D. Graph D
- Materiał graficzny