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 ...

The pK a for an amino acid is an acid dissociation constant that refers to the equilibrium between the ... and any potential acid/base component of the variable group. The net charge of the ...

1. Dissolve 6.5g KOH (potassium hydroxide) in 1600mL water and add several drops of universal indicator. Place in 2000mL graduated cylinder.

A new simple, theoretically based model predicts equilibrium water content of pure acid-gas components and ... Equation 11 shows the equilibrium constant, Ki, expressed in terms of the fugacity ...