Acid–base titration is more than just mixing acids and bases — it’s a precise method to uncover unknown concentrations and chemical constants like pKa. By tracking pH changes as titrant is added, ...

A meeting was held to discuss this disaster; among the attendees were Bjørn Ibsen, an anesthesiologist, and Poul Astrup, chief of the hospital laboratory. Ibsen realized that marked carbon dioxide ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Pour desired household chemicals into separate 50 mL beakers. Add a few drops of universal indicator OR about 25 mL of red cabbage indicator and mix. Compare colors to standard solutions in lighted ...

Your CO2 blood test is more than just a number—it reflects how well your body is balancing acid and base, and how your lungs and kidneys are working together. Abnormal levels can point to breathing ...