Need help with #8 and #9! Please help! Thanks!
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Need help with #8 and #9! Please help! Thanks!
11.2 Electrolyte Solutions 8. Find the total...
Any help with this ICE table is very much appreciated! Thanks. In test tube 10, the...
Any help with this ICE table is very much appreciated!
Thanks.
In test tube 10, the following volumes of solutions are combined: 3+ 0.0025 M Fe (mL) 0.0025 M SCN (mL) 0.1 M HNO3 (mL) 3.0 3.0 1.0 The measured equilibrium concentration of the product, Fe(SCN), is 0.0000462 mol/L. Calculate the initial and equilibrium concentrations of reactants to complete the ICE table below. R+ SCN Fe(SCN) Fe 0 C -X - X 0.0000462
In test tube 10, the following volumes...
I dont know if i did this right but i just need #10 ! thanks !...
I dont know if i did this right but i just need #10 ! thanks
!
A. Determination of Reaction Times Date 1. Time for color consumed (mod Molar concentration of Na 5.0,-0.02 Volume of Na,8,0, (L)_0.0010: Ambient temperature 20, 0 0 Molar concentration of Ki_03 Molar concentration of H0;_01 Total volume of kinetic trials (m) 10,0 Kinetic Trial for colore) 126 71 SI 36 45 56 209 32 B. Calculations for Determining the Rate Law 1. Moles of S.,...
How do I calculate the Initial Fe(NO3)3 for each tria. Please help and show all work...
How do I calculate the Initial Fe(NO3)3 for each tria. Please help and show all work Please!!!! 1 2 3 4 5 mL Fe(NO3)3 1.0 2.0 3.0 4.0 5.0 0.0003 M mL KSCN 1.0 M 5 5 5 5 5 mL HNO3 0.1 M 4 3 2 1 0 Total mL 10 10 10 10 10 Initial [Fe(NO3)3] 3.0x10^-5 Absorbance .284 1.085 1.325 1.820 2.121 Transmittance 52.01 8.22 4.73 1.51 0.76
Please help with 8, 9, and 11 8. 10 g of a compound with logP of...
Please help with 8, 9, and
11
8. 10 g of a compound with logP of 0.48 is dissolved in 150 mL of water. To the nearest gram, how much compound is extracted into 200 mL of octan-1-ol from the aqueous solution when mixed in a separatory funnel? a. 2 b. 4 c. 6 d. 8 e. not a.-d. 9. To the nearest tenth, what is the pH of a 3.0 M solution of compound with pk, of 1.01? a....
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution...
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution KSCN (mL) Fe(NO3)3 (mL) 0.5 5 [FeSCN2+] (mol/L)* 1 4.0x10^-5 Add 1.0 M 2 1.0 5 8.0x10^-5 HNO3 3 1.5 5 1.2x10^-10 4 2.0 5 1.6x10-4 to each to adjust the volume to 25 mL. 5 2.5 5 2.0x10-4 * Calculate the concentrations of FeSCN2+ in each beaker, assuming that all SCN-ions exist as FeSCN2+. In other words, [FeSCN2+] (in Soln 1) = [SCN-]...
please help with #9 due tomorrow 8. Calculate the molarity of a solution made by dissolving...
please help with #9 due tomorrow
8. Calculate the molarity of a solution made by dissolving 0.632 g of Na:SO. (molar mass = 142.0 g/mol) in enough liquid to make 250.0 mL of solution. (6 points) Moles of Na2SO4= 0.652 :0.0044 So mais 142.0 g/mol 0.004450MLES - 0-0178 M 0.25L 9. What is the concentration (in moles per liter) of sodium ions in the solution described in question 8?
Could you please explain in detail how to do these questions? Thank you in advance. ---...
Could you please explain in detail how to do these questions?
Thank you in advance.
--- (3 points) Which of the following should have the highest conductivity? a. 3.0 M NaCl b. 2.4 M CaCl2 c. 3.2 M NH4NO3 d. 2.1 M Na3PO4 (2 points) You have an aqueous solution containing lead(II), sodium, iron(III), and potassium ions. You need to devise a way to separate the ions from one another. Which of the following statements is NOT correct regarding your...
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
Please help me find the unknown structure, Thanks. Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0...
Please help me find the unknown structure, Thanks.
Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0 3.5 3.4 2.5 2.0 .0 .s a. 3.00 Unknown 26 - 13C-NMR Spectrum 32 34 28 24 20 14 ppm 60 40 200 180 160 140 120 100 20 Unknown 26 IR and Mass Spectra 100 80 40 20 50 75 100 125 m/z 2500 WAVENUMBER [cm-1] 1500 3500 2000 1000 4000 3000 500 TRANSMITTANCE %] Raufive hitensity 06 7 Unknown 26 1H-NMR Spectra...
Multipart homework question for Chemistry I need help with. thank you. Which of the following solutions...
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
Any help with this ICE table is very much appreciated!
Thanks.
In test tube 10, the following volumes of solutions are combined: 3+ 0.0025 M Fe (mL) 0.0025 M SCN (mL) 0.1 M HNO3 (mL) 3.0 3.0 1.0 The measured equilibrium concentration of the product, Fe(SCN), is 0.0000462 mol/L. Calculate the initial and equilibrium concentrations of reactants to complete the ICE table below. R+ SCN Fe(SCN) Fe 0 C -X - X 0.0000462
In test tube 10, the following volumes...
I dont know if i did this right but i just need #10 ! thanks
!
A. Determination of Reaction Times Date 1. Time for color consumed (mod Molar concentration of Na 5.0,-0.02 Volume of Na,8,0, (L)_0.0010: Ambient temperature 20, 0 0 Molar concentration of Ki_03 Molar concentration of H0;_01 Total volume of kinetic trials (m) 10,0 Kinetic Trial for colore) 126 71 SI 36 45 56 209 32 B. Calculations for Determining the Rate Law 1. Moles of S.,...
Please help with 8, 9, and
11
8. 10 g of a compound with logP of 0.48 is dissolved in 150 mL of water. To the nearest gram, how much compound is extracted into 200 mL of octan-1-ol from the aqueous solution when mixed in a separatory funnel? a. 2 b. 4 c. 6 d. 8 e. not a.-d. 9. To the nearest tenth, what is the pH of a 3.0 M solution of compound with pk, of 1.01? a....
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution KSCN (mL) Fe(NO3)3 (mL) 0.5 5 [FeSCN2+] (mol/L)* 1 4.0x10^-5 Add 1.0 M 2 1.0 5 8.0x10^-5 HNO3 3 1.5 5 1.2x10^-10 4 2.0 5 1.6x10-4 to each to adjust the volume to 25 mL. 5 2.5 5 2.0x10-4 * Calculate the concentrations of FeSCN2+ in each beaker, assuming that all SCN-ions exist as FeSCN2+. In other words, [FeSCN2+] (in Soln 1) = [SCN-]...
please help with #9 due tomorrow
8. Calculate the molarity of a solution made by dissolving 0.632 g of Na:SO. (molar mass = 142.0 g/mol) in enough liquid to make 250.0 mL of solution. (6 points) Moles of Na2SO4= 0.652 :0.0044 So mais 142.0 g/mol 0.004450MLES - 0-0178 M 0.25L 9. What is the concentration (in moles per liter) of sodium ions in the solution described in question 8?
Could you please explain in detail how to do these questions?
Thank you in advance.
--- (3 points) Which of the following should have the highest conductivity? a. 3.0 M NaCl b. 2.4 M CaCl2 c. 3.2 M NH4NO3 d. 2.1 M Na3PO4 (2 points) You have an aqueous solution containing lead(II), sodium, iron(III), and potassium ions. You need to devise a way to separate the ions from one another. Which of the following statements is NOT correct regarding your...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
Please help me find the unknown structure, Thanks.
Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0 3.5 3.4 2.5 2.0 .0 .s a. 3.00 Unknown 26 - 13C-NMR Spectrum 32 34 28 24 20 14 ppm 60 40 200 180 160 140 120 100 20 Unknown 26 IR and Mass Spectra 100 80 40 20 50 75 100 125 m/z 2500 WAVENUMBER [cm-1] 1500 3500 2000 1000 4000 3000 500 TRANSMITTANCE %] Raufive hitensity 06 7 Unknown 26 1H-NMR Spectra...
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
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