Why isn't the pH at the equivalence point always 7? - Answers
Feb 7, 2025 · The pH at the equivalence point is not always 7 because it depends on the nature of the acid and base being titrated. If a strong acid and strong base are used, the pH will be close to 7 at …
What is the pH of caustic soda? - Answers
May 20, 2024 · A normal or neutral pH level is 7. Caustic soda is highly basic with a pH of between 13.5 and 15. Caustic soda is a dangerous base and should be handled carefully.
Is pH more than 14 - Answers
Mar 3, 2025 · Yes, acids with pH below 0 and bases with pH above 14 are called superacids and superbases, respectively. The actual pH scale is only 0-14, but some acids and bases fall outside of …
What is the pH number of sodium hydroxide? - Answers
Jun 8, 2024 · The pH of a 10 M sodium hydroxide solution would be around 14, as sodium hydroxide is a strong base that dissociates completely in water to yield hydroxide ions, which are responsible for …
Can there be a negative pH in a solution? - Answers
Feb 7, 2025 · No, a negative pH in a solution is not possible as pH values range from 0 to 14, with 7 being neutral. A negative pH would imply a concentration of hydrogen ions greater than 1 M, which is …
What is the unit of measurement for pH? - Answers
Feb 7, 2025 · The unit of measurement for pH is a logarithmic scale ranging from 0 to 14 that measures the acidity or alkalinity of a substance.
What is the optimum pH for catalase activity? - Answers
Feb 6, 2025 · The optimum pH for catalase activity is around pH 7, which is neutral. Catalase works best at this pH level to break down hydrogen peroxide into water and oxygen.
What is the relationship between pH and hemoglobin saturation?
Feb 6, 2025 · The relationship between pH and hemoglobin saturation is known as the Bohr effect. When pH levels decrease (become more acidic), hemoglobin's affinity for oxygen decreases, leading …
How does pH affect the solubility of calcium carbonate?
Feb 7, 2025 · The solubility of calcium carbonate decreases as pH increases. This is because calcium carbonate is more soluble in acidic conditions and less soluble in basic conditions.
What is the pH of the stomach before and after consuming food?
Feb 6, 2025 · The pH of the stomach before consuming food is typically around 2, which is highly acidic. After consuming food, the pH of the stomach can increase to around 4 or 5, becoming less acidic.