2. A water sample has 10 ug/L Hg²+ and a density of 1.0 g/mL (atomic weight ofHg = 200.59). Calculate the following: (a) Hg²+ in ppb, (b) Hg+ in µM, and (c) thenumber of Hg²+ ion in 1L of this sample containing 10 ug/L Hg²+ (Avogadro'snumber= 6.022 × 1023 /mol).

a) 1μg/L = 1ppb so, 10μg/L = 10ppb b) Molecular weight = 200.59 A molecular weight of 200.59…

2. A water sample has 10 µg/L Hg2+ and a density of 1.0 g/mL (atomic weight of Hg = 200.59). Calculate the following: (a) Hg²+ in ppb, (b) Hg²+ in µM, and (c) the number of Hg²+ ion in 1L of this sample containing 10 µg/L Hg2+ (Avogadro's number = 6.022 × 1023 /mol).

2. A water sample has 10 µg/L Hg2+ and a density of 1.0 g/mL (atomic weight of Hg = 200.59). Calculate the following: (a) Hg²+ in ppb, (b) Hg²+ in µM, and (c) the number of Hg²+ ion in 1L of this sample containing 10 µg/L Hg2+ (Avogadro's number = 6.022 × 1023 /mol).

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.16QAP

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Question

2. A water sample has 10 ug/L Hg²+ and a density of 1.0 g/mL (atomic weight of
Hg = 200.59). Calculate the following: (a) Hg²+ in ppb, (b) Hg+ in µM, and (c) the
number of Hg²+ ion in 1L of this sample containing 10 ug/L Hg²+ (Avogadro's
number
= 6.022 × 1023 /mol).

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