Answered: 2+ What is the ppb concentration of a…

2+ What is the ppb concentration of a solution that contains 0.250 mg of Pb²+ in 4.00 × 104 g of water? 4.32 ppb 6.25 ppb 15.3 ppb 8.92 ppb 10.5 ppb

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.24QAP

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Question

What is the ppb concentration of a solution that contains 0.250 mg of Pb²+ in 4.00 × 104 g of
water?
4.32 ppb
6.25 ppb
15.3 ppb
8.92 ppb
O 10.5 ppb

Expert Solution

Step 1

mass of solution = mass of solute + mass of solvent

ppb = $\frac{mass of solute in gram}{mass of solution in gram} \times 10^{9}$

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