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%S4 #3 A %LOL Zoom 目 Add Slide Play Table Chart Text Shape Media Comment Collaborate When Flint did not treat its water with phosphate salts, PBCI, formed instead of Pb,(PO),. The Ksp of PbCl, is 1.2*10-5 and the Ksp of Pb, (PO,), is 9.9*10-55. How would lead(II) chloride compare in a passivation layer compared to lead(II) phosphate? 2° SP A. Better B. Worse C. The same MacBook Pro - Skip Slide Zoom to Fit %23 $ 08. 6 9 60 08 Zoom Add Slide Play Table Chart Text Shape Media Comment Background In 2014, the city of Flint, Michigan, began taking its municipal water from the Flint River and treating it at the city's own water treatment plant, in order to save money. By 2015, reports surfaced of high lead levels in Flint city water. High lead levels in municipal water can have devastating health ramifications for a city's population, since lead is a neurotoxin that is particular dangerous for developing brains. After Flint began treating its own water, the percentage of children with elevated blood levels increased from 2.4% from 4.9%. Flint's water crisis was caused by the failure to adequately control corrosion of the lead and iron pipes that distribute water throughout the city, allowing rust and lead to taint the city's water supply. The increased corrosiveness of the Flint-treated water was due to several factors. We will look at just one of those factors in this activity: Failure to treat the lead with an orthophosphate (PO43-) salt. When the water is treated with an orthophosphate salt, largely insoluble lead phosphate compounds form. These lead phosphate compounds form part of a passivation layer, which is a mineral crust on the inside of the pipes that protects the metal underneath from oxidizing. If the water is not adequately treated, like in Flint, this passivation layer will deteriorate and the copper, iron, or lead underneath will leach into the city's water supply. MacBook Pro Zoom to Fit - Skip Slide * > * 24 ) 23 2. 9 3.

%S4 #3 A %LOL Zoom 目 Add Slide Play Table Chart Text Shape Media Comment Collaborate When Flint did not treat its water with phosphate salts, PBCI, formed instead of Pb,(PO),. The Ksp of PbCl, is 1.2*10-5 and the Ksp of Pb, (PO,), is 9.9*10-55. How would lead(II) chloride compare in a passivation layer compared to lead(II) phosphate? 2° SP A. Better B. Worse C. The same MacBook Pro - Skip Slide Zoom to Fit %23 $ 08. 6 9 60 08 Zoom Add Slide Play Table Chart Text Shape Media Comment Background In 2014, the city of Flint, Michigan, began taking its municipal water from the Flint River and treating it at the city's own water treatment plant, in order to save money. By 2015, reports surfaced of high lead levels in Flint city water. High lead levels in municipal water can have devastating health ramifications for a city's population, since lead is a neurotoxin that is particular dangerous for developing brains. After Flint began treating its own water, the percentage of children with elevated blood levels increased from 2.4% from 4.9%. Flint's water crisis was caused by the failure to adequately control corrosion of the lead and iron pipes that distribute water throughout the city, allowing rust and lead to taint the city's water supply. The increased corrosiveness of the Flint-treated water was due to several factors. We will look at just one of those factors in this activity: Failure to treat the lead with an orthophosphate (PO43-) salt. When the water is treated with an orthophosphate salt, largely insoluble lead phosphate compounds form. These lead phosphate compounds form part of a passivation layer, which is a mineral crust on the inside of the pipes that protects the metal underneath from oxidizing. If the water is not adequately treated, like in Flint, this passivation layer will deteriorate and the copper, iron, or lead underneath will leach into the city's water supply. MacBook Pro Zoom to Fit - Skip Slide * > * 24 ) 23 2. 9 3.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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%S4 #3 A %LOL Zoom 目 Add Slide Play Table Chart Text Shape Media Comment Collaborate When Flint did not treat its water with phosphate salts, PBCI, formed instead of Pb,(PO),. The Ksp of PbCl, is 1.2*10-5 and the Ksp of Pb, (PO,), is 9.9*10-55. How would lead(II) chloride compare in a passivation layer compared to lead(II) phosphate? 2° SP A. Better B. Worse C. The same MacBook Pro - Skip Slide Zoom to Fit %23 $ 08. 6 9
Transcribed Image Text:%S4 #3 A %LOL Zoom 目 Add Slide Play Table Chart Text Shape Media Comment Collaborate When Flint did not treat its water with phosphate salts, PBCI, formed instead of Pb,(PO),. The Ksp of PbCl, is 1.2*10-5 and the Ksp of Pb, (PO,), is 9.9*10-55. How would lead(II) chloride compare in a passivation layer compared to lead(II) phosphate? 2° SP A. Better B. Worse C. The same MacBook Pro - Skip Slide Zoom to Fit %23 $ 08. 6 9
60 08 Zoom Add Slide Play Table Chart Text Shape Media Comment Background In 2014, the city of Flint, Michigan, began taking its municipal water from the Flint River and treating it at the city's own water treatment plant, in order to save money. By 2015, reports surfaced of high lead levels in Flint city water. High lead levels in municipal water can have devastating health ramifications for a city's population, since lead is a neurotoxin that is particular dangerous for developing brains. After Flint began treating its own water, the percentage of children with elevated blood levels increased from 2.4% from 4.9%. Flint's water crisis was caused by the failure to adequately control corrosion of the lead and iron pipes that distribute water throughout the city, allowing rust and lead to taint the city's water supply. The increased corrosiveness of the Flint-treated water was due to several factors. We will look at just one of those factors in this activity: Failure to treat the lead with an orthophosphate (PO43-) salt. When the water is treated with an orthophosphate salt, largely insoluble lead phosphate compounds form. These lead phosphate compounds form part of a passivation layer, which is a mineral crust on the inside of the pipes that protects the metal underneath from oxidizing. If the water is not adequately treated, like in Flint, this passivation layer will deteriorate and the copper, iron, or lead underneath will leach into the city's water supply. MacBook Pro Zoom to Fit - Skip Slide * > * 24 ) 23 2. 9 3.
Transcribed Image Text:60 08 Zoom Add Slide Play Table Chart Text Shape Media Comment Background In 2014, the city of Flint, Michigan, began taking its municipal water from the Flint River and treating it at the city's own water treatment plant, in order to save money. By 2015, reports surfaced of high lead levels in Flint city water. High lead levels in municipal water can have devastating health ramifications for a city's population, since lead is a neurotoxin that is particular dangerous for developing brains. After Flint began treating its own water, the percentage of children with elevated blood levels increased from 2.4% from 4.9%. Flint's water crisis was caused by the failure to adequately control corrosion of the lead and iron pipes that distribute water throughout the city, allowing rust and lead to taint the city's water supply. The increased corrosiveness of the Flint-treated water was due to several factors. We will look at just one of those factors in this activity: Failure to treat the lead with an orthophosphate (PO43-) salt. When the water is treated with an orthophosphate salt, largely insoluble lead phosphate compounds form. These lead phosphate compounds form part of a passivation layer, which is a mineral crust on the inside of the pipes that protects the metal underneath from oxidizing. If the water is not adequately treated, like in Flint, this passivation layer will deteriorate and the copper, iron, or lead underneath will leach into the city's water supply. MacBook Pro Zoom to Fit - Skip Slide * > * 24 ) 23 2. 9 3.
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