Identify the two mass balance equations for a 0.8 M solution of sodium hypochlorite, NaOCl.

The two mass balance equations for a 0.8 M solution of sodium hypochlorite, NaOCl, can be written as follows:

1. Total mass balance equation:
Mass of NaOCl in solution = Mass of NaOCl initially + Mass of NaOCl added - Mass of NaOCl reacted

2. Component balance equation:
Concentration of NaOCl in solution = Concentration of NaOCl initially + Concentration of NaOCl added - Concentration of NaOCl reacted

These equations are used to calculate the amount of NaOCl in the solution at any given time and to track how it changes as reactions occur.