The ingestion of lead from food, water, or other environmental source can lead poisoning, a serious condition that affects the central nervous system, causing symptoms such as distractibility, lethargy, and loss of motor function. Lead poisoning treated with chelating agents, substances that bind to lead and allow it to be eliminated in urine. A modern chelating agent used for this purpose is succimer (C 4 H 6 O 4 S 2 ) suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning. Assume that a patient’s blood lead levels are 0.550 mg/L, that blood volume is 5.0 L, and that 1 mol of succimer binds 1 mol of lead. What minimum mass of succimer in milligrams is needed to bind all of the lead in this patient’s bloodstream?
The ingestion of lead from food, water, or other environmental source can lead poisoning, a serious condition that affects the central nervous system, causing symptoms such as distractibility, lethargy, and loss of motor function. Lead poisoning treated with chelating agents, substances that bind to lead and allow it to be eliminated in urine. A modern chelating agent used for this purpose is succimer (C 4 H 6 O 4 S 2 ) suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning. Assume that a patient’s blood lead levels are 0.550 mg/L, that blood volume is 5.0 L, and that 1 mol of succimer binds 1 mol of lead. What minimum mass of succimer in milligrams is needed to bind all of the lead in this patient’s bloodstream?
Solution Summary: The author explains the stoichiometric relationship between the moles of reactant and product. The conversion factor is obtained from the balanced chemical equation.
The ingestion of lead from food, water, or other environmental source can lead poisoning, a serious condition that affects the central nervous system, causing symptoms such as distractibility, lethargy, and loss of motor function. Lead poisoning treated with chelating agents, substances that bind to lead and allow it to be eliminated in urine. A modern chelating agent used for this purpose is succimer (C4H6O4S2) suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning. Assume that a patient’s blood lead levels are 0.550 mg/L, that blood volume is 5.0 L, and that 1 mol of succimer binds 1 mol of lead. What minimum mass of succimer in milligrams is needed to bind all of the lead in this patient’s bloodstream?
In the following molecule, indicate the hybridization and shape of the indicated atoms.
CH3
N
CH3
HÖ:
H3C
CI:
::
Q3: Draw the Lewis structures for nitromethane (CH3NO2) and methyl nitrite (CH3ONO). Draw at
least two resonance forms for each. Determine which form for each is the major resonance
contributor.
Q1: Draw a valid Lewis structures for the following molecules. Include appropriate charges and
lone pair electrons. If there is more than one Lewis structure available, draw the best structure.
NH3
Sulfate
Boron tetrahydride.
C3H8 (linear isomer)
OCN
NO3
CH3CN
SO2Cl2
CH3OH2*
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Calorimetry Concept, Examples and Thermochemistry | How to Pass Chemistry; Author: Melissa Maribel;https://www.youtube.com/watch?v=nSh29lUGj00;License: Standard YouTube License, CC-BY