1The pH of the solution was adjusted to 5.5 to optimize the reaction rate.
2Is it possible to accurately measure the pH of a solution using only litmus paper and a pH indicator?
3The pH scale is logarithmic, meaning that each whole number change represents a tenfold increase or decrease in hydrogen ion concentration.
4Maintaining a stable pH is crucial in many industrial processes, such as wastewater treatment and pharmaceutical manufacturing.
5There is ongoing debate among scientists about the most accurate method for measuring pH in complex biological systems.