A bottle in lab is labeled [CoCl2.6H2O] = 0.577 M in 7.671 M HCl. If you...
A bottle in lab is labeled [CoCl2.6H2O] = 0.577 M in 7.671 M HCl. If you determine [CoCl42-] to be 0.032 M at a particular temperature using absorbance measurements, what must be the value of [Co(H2O)62+] in the solution at that temperature?
Express your response to three digits after the decimal.
Homework Answers
![Gilber data, Focl2 •6H26] = 0.5779 in 7671 M HCl. [code] = 0.03 AM Hexe) when Coclzélye is dissolved ń aquecet5 HCl, the equi](http://img.homeworklib.com/questions/1501b750-6e7e-11ea-86a9-6d075a8ee1d1.png?x-oss-process=image/resize,w_560)
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A bottle in lab is labeled
[CoCl2.6H2O] = 0.577 M in 7.671 M
HCl. If you...
A bottle in lab is labeled [CoCl2.6H2O] = 0.673 M in 4.542 M HCl. If you...
A bottle in lab is labeled [CoCl2.6H2O] = 0.673 M in 4.542 M HCl. If you determine [CoCl42-] to be 0.42 M at a particular temperature using absorbance measurements, what must be the value of [Co(H2O)62+] in the solution at that temperature? Express your response to three digits after the decimal.
You're provided with a bottle labled [CoCl2.6H2O] = 0.066 M in 4.60 M HCl. You heat a small volume of the solution in a...
You're provided with a bottle labled [CoCl2.6H2O] = 0.066 M in 4.60 M HCl. You heat a small volume of the solution in a hot water bath to 50 ∘C. If you determine that [CoCl42-] = 0.037 M at 50 ∘C at equilibrium, what must be the equilibrium concentration of [Cl-] at 50 ∘C? Express your response in units of M to three digits after the decimal.
If you find that [CoCl42-(aq)] = 3.245 M, [Co(H2O)62+(aq)] = 0.442 M, and [Cl-(aq)] = 0.282 M at 9℃
If you find that [CoCl42-(aq)] = 3.245 M, [Co(H2O)62+(aq)] = 0.442 M, and [Cl-(aq)] = 0.282 M at 9℃, what is value of ΔG at 9℃, in kJ/mol? Express your response to two digits after the decimal.
If you find that [CoCl42-(aq)] = 2.933 M, [Co(H2O)62+(aq)] = 0.251 M, and [Cl-(aq)] = 0.742...
If you find that [CoCl42-(aq)] = 2.933 M, [Co(H2O)62+(aq)] = 0.251 M, and [Cl-(aq)] = 0.742 M at 4 ∘C, what is value of ΔG at 4 ∘C, in kJ/mol? Express your response to two digits after the decimal.
If you find that [CoCl42-(aq)] = 0.997 M, [Co(H2O)62+(aq)] = 0.653 M, and [Cl-(aq)] = 0.530...
If you find that [CoCl42-(aq)] = 0.997 M, [Co(H2O)62+(aq)] = 0.653 M, and [Cl-(aq)] = 0.530 M at 8.0 ∘C, what is value of ΔG at 8.0 ∘C, in kJ/mol? Express your response to two digits after the decimal.
Question 3 1 pts You're provided with a bottle labled [CoCl26H20] = 0.045 Min 4.60 M HCI. You heat a small volume o...
Question 3 1 pts You're provided with a bottle labled [CoCl26H20] = 0.045 Min 4.60 M HCI. You heat a small volume of the solution in a hot water bath to 50°C. If you determine that (CoCl2-1 -0.046 M at 50 °C at equilibrium, what must be the equilibrium concentration of [CI] at 50 °C? Express your response in units of M to three digits after the decimal. Question 4 1 pts If you find that (CoCl2(aq)] -0.306 M, [Co(H20)62+(aq)]...
Assume the molar absorptivity (ε) for CoCl42- at 700 nm is 412.2 M-1 cm-1. If d,...
Assume the molar absorptivity (ε) for CoCl42- at 700 nm is 412.2 M-1 cm-1. If d, the cell path length, is equal to 0.85 cm for the cuvettes being used, and if the measured absorbance (A) at 700 nm is 1.305, what is [CoCl42-]? Express your response to four digits after the decimal.
Assume the molar absorptivity (ε) for CoCl42- at 700 nm is 480.1 M-1 cm-1. If d,...
Assume the molar absorptivity (ε) for CoCl42- at 700 nm is 480.1 M-1 cm-1. If d, the cell path length, is equal to 1.08 cm for the cuvettes being used, and if the measured absorbance (A) at 700 nm is 1.144, what is [CoCl42-]? Express your response to four digits after the decimal.
a) First, you obtain a test tube and fill it with 2 ml of 0.25 M...
a) First, you obtain a test tube and fill it with 2 ml of 0.25 M CoCl2. You add 12 M HCl until the solution turns purple. 1. How did the addition of 12 M HCl affect the equilibrium? 2. How did the relative concentrations of Co(OH2)62+ and CoCl42- change after the addition of 12 M HCl? Justify your answer based on the previous step. b) Next, you obtain another test tube with 2 ml of 0.25 M CoCl2 and...
A. How many milliliters of 0.110 M HCl are needed to completely neutralize 55.0 mL of 0.107 M Ba(OH)2 solution?...
A. How many milliliters of 0.110 M HCl are needed to completely neutralize 55.0 mL of 0.107 M Ba(OH)2 solution? Express the volume in milliliters to three significant digits. B. How many milliliters of 0.125 M H2SO4 are needed to neutralize 0.170 g of NaOH? Express the volume in milliliters to three significant digits. C. If 55.0 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 746 mg sample of Na2SO4, what is the molarity of the solution? Express the molarity...
Question 3 1 pts You're provided with a bottle labled [CoCl26H20] = 0.045 Min 4.60 M HCI. You heat a small volume of the solution in a hot water bath to 50°C. If you determine that (CoCl2-1 -0.046 M at 50 °C at equilibrium, what must be the equilibrium concentration of [CI] at 50 °C? Express your response in units of M to three digits after the decimal. Question 4 1 pts If you find that (CoCl2(aq)] -0.306 M, [Co(H20)62+(aq)]...
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