Overview
A solution obtained from a contaminated site has an alkalinity of 125 mg/L as CaCO3. 25% of this alkalinity is from OH−, and the rest is provided by carbonate species.
a) What is the pcH of this water sample? Answer for coordinate 1b) What is the CT of this water sample? Answer for coordinate 2
mmol/Lc) How much strong acid needs to be added to reach a pcH of 6.42?