Which is a conjugate acid base pair in the following equation? H3PO4 + H2O 
H3O +1 + H2PO4 -1
Definitions:
Predictability
The degree to which a future event or outcome can be forecasted based on present or past data.
Reliability
The degree to which the result of a measurement, calculation, or specification can be depended on to be accurate.
Measurement
The process of obtaining a quantitative description of an attribute or phenomenon, often by comparing it to a standard unit.
Predictability
The ability to accurately forecast the outcome of a process or the occurrence of an event based on current knowledge or past experience.
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