Answer to Question #343396 in General Chemistry for Jiin

Question

A certain concentration works best when the analyte’s concentration is approximately 10ppb.

a. If the method requires sample of 0.5mL, about what mass of analyte is being measured?

c. Repeat for the case where the analyte is present at 10% w/w. 59

d. Based on your answer to parts (a) - (c) comment on the method’s suitability for the determination of a major analyte.

Answer 1

Given that, Concentration = 10ppb Volume = 0.5ml We have, ppb = (grams of analyte/volume in ml) ×10^9

10(0.5)( ×10^9)=50