The equilibrium constant for the following reaction is 1.0 × 10 23 : Cr 3+ ( a q ) + H 2 E D T A 2 − ( a q ) ⇌ C r E D T A − ( a q ) + 2 H + ( a q ) EDTA is used as a complexing agent in chemical analysis. Solutions of EDTA, usually containing the disodium salt Na 2 H 2 EDTA, are used to treat heavy metal poisoning. Calculate [Cr 3+ ] at equilibrium in a solution originally 0.0010 M in Cr 3+ and 0.050 M in H 2 EDTA 2− and buffered at pH = 6.00.
The equilibrium constant for the following reaction is 1.0 × 10 23 : Cr 3+ ( a q ) + H 2 E D T A 2 − ( a q ) ⇌ C r E D T A − ( a q ) + 2 H + ( a q ) EDTA is used as a complexing agent in chemical analysis. Solutions of EDTA, usually containing the disodium salt Na 2 H 2 EDTA, are used to treat heavy metal poisoning. Calculate [Cr 3+ ] at equilibrium in a solution originally 0.0010 M in Cr 3+ and 0.050 M in H 2 EDTA 2− and buffered at pH = 6.00.
Solution Summary: The author calculates the value of left[Cr+right] at equilibrium in a solution.
The equilibrium constant for the following reaction is 1.0 × 1023:
Cr
3+
(
a
q
)
+
H
2
E
D
T
A
2
−
(
a
q
)
⇌
C
r
E
D
T
A
−
(
a
q
)
+
2
H
+
(
a
q
)
EDTA is used as a complexing agent in chemical analysis. Solutions of EDTA, usually containing the disodium salt Na2H2EDTA, are used to treat heavy metal poisoning. Calculate [Cr3+] at equilibrium in a solution originally 0.0010 M in Cr3+ and 0.050 M in H2EDTA2− and buffered at pH = 6.00.
please answer in the scope of the SCH4U course, I am having a hard time understanding, may you show all steps please and thank you! can you also put the final answers in the table so its understandable
Plan the synthesis of the following compound using the starting material provided and any other reagents
needed as long as carbon based reagents have 3 carbons or less. Either the retrosynthesis or the forward
synthesis (mechanisms are not required but will be graded if provided) will be accepted if all necessary
reagents and intermediates are shown (solvents and temperature requirements are not needed unless
specifically involved in the reaction, i.e. DMSO in the Swem oxidation or heat in the KMnO4 oxidation).
There may be more than one correct answer, and chemically correct steps will be accepted. Extra points
will be given if correct names are provided. The points earned here will be applied to your lowest exam
score!
H
H
Draw the mechanism to make the alcohol 1-hexanol. Please use arrows.
Chapter 15 Solutions
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