19. From the results, one would conclude that at a salinity of 0 ppt, Kit A is most accurate in measuring the concentration of which of the following compounds, relative to the Standard Method?
Answer and Explanation
Your Answer is
Correct Answer is A
Explanation
In the question, it is asked which substance KitA is most accurate at 0ppt compared to the Standard Method, so quickly find the 0ppt column in the table, and it is obvious that when the dissolved O2 is measured, the result of KitA is exactly the same as that of the Standard Method, so choose A.