Learning Goal: I’m working on a chemistry question and need an explanation and answer to help me learn.
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?
b) What is the CT of this water sample?
mmol/L
c) How much strong acid needs to be added to reach a pcH of 6.42?
