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Hydrolysis Show all your set-ups. significant figures must be correct. 1 a. Write the K. expressions...
(3 points) A 0.0730 M solution of a monoprotic acid is 1.07% ionized. What is the...
(3 points) A 0.0730 M solution of a monoprotic acid is 1.07% ionized. What is the pH of the solution? Calculate the Ka of the acid. (2 points) The pH of a 0.025 M solution of a monoprotic acid is 3.21. What is the Ka value for the acid? (2 points) Determine the percent ionization of a 0.0028 M HA solution. (Ka of HA = 1.4 x 10-9) (4 points) Lysine is triprotic amino acid (separately loses three H’s in...
71% Calculate the pH and concentration of all species in a 027M Na2 SOs (sodium sulfite)...
71% Calculate the pH and concentration of all species in a 027M Na2 SOs (sodium sulfite) solution? The ionization constants for sulfurous acidare Kal 1.4 x 10-2 and K2 6.3 x 10-8 Give your answers to 2 significant figures OH 1 POH PH- İHS S05 - Estimate the pH and the concentrations of all species in a 0.350 M phasphoric acid solution Answer thisquestion by matching each of the questions (on the left) with the correct value (on the right)...
need help with 7 and 8. also did I do number nine right? • Write the...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF with your answers through Husky CT for your lab section. Please e-mail me if you have an issues with the submission. Activity #1 Calculate the pH for the following acidic solutions 1. Calculate the pH and pOH for the following solutions: a. 0.200 M HNO3 b. 0.200 M H2SO4 2. Calculate the equilibrium concentration for [H], [A-], and [HA], the pH and pOH for...
2. Calculate y, and report the result with the correct number of significant figures and the absolute error: y-251(+-1) x 860(+-2) / 1.673(+-0.006) Its question #2 i typed it out you do not need...
2. Calculate y, and report the result with the correct number
of significant figures and the absolute error: y-251(+-1) x
860(+-2) / 1.673(+-0.006)
Its
question #2 i typed it out you do not need the picture
The question is to Calculate Y, and report the result with the
correct number of significant figures and the absolute error:
y=251(+-1) x 860(+-2) / 1.673(+-0.006)
3
sig figs
(10 points) Calculate the pH of a solution that is 0.04 M in NH, and...
1. 2. for this problem for my Ka on acid 1 I got : 4.3651583224 x...
1.
2. for this problem for my Ka on acid 1 I got :
4.3651583224 x 10^-6 . for my acid 2 i got :
2.5118864315 x 10^-2. and for my acid 3 I got:
3.7239170625 x 10^-6. What is the correct number
of sig figs?
solution initial components change initial type (check all that apply) acidic effect of change on pH (check one) O pH higher O pH lower O pH the same 4,0 basic add Nal neutral acidic...
1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained...
1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained by adding 0.100 moles of solid NaOH to 1.00 L of 15.0 M NH3. Kb = 1.8 × 10–5 2. One mole of a weak acid HA was dissolved in 2.0 L of water. After the system had come to equilibrium, the concentration of HA was found to be 0.45 M. Calculate the Ka for this weak acid. 3. Calculate the pH of a...
1. Write the dissociation reaction and the corresponding K, equilibrium expression for each of the following...
1. Write the dissociation reaction and the corresponding K, equilibrium expression for each of the following )HCN bHOC.H 2. You may need Table 14.2 to answer the following questions a) Which is the stronger base, CT or HO b) Which is the stronger base, HiO or NO? c) which is the stronger base, Cr or OCH,7 3. Calculate the [H"1 of each of the following solutions at 25 C. Identity each solution as neutral, acidic, or basic. a) [OH] ....
please show all work for part III :) all the information needed is in the pictures...
please show all work for part III :) all the information
needed is in the pictures
III. Preparing HC,HO, Solutions and Determining pH only cal. One! theoretical pH 1.0 x 10-14 (181) concentration of HC,H,O, M measured pH ya ? 3.06 1.0 x 10-2 ka: 1. 8x10°3 ixio- 3.43 1.0 x 10-3 x = CH) -1,34% 103n 3.87 1.0 x 107 PM - 04 TH11 4.30 concentration of HC,H,O, M calculated K of HC H302 based on pH data literature...
1.) Calculate to four significant figures: a) the mass change in kg b) the energy change...
1.) Calculate to four significant figures: a) the mass change in kg b) the energy change in kJ/mol, when a neutron decays to produce a proton and an electron. The neutron, proton & electron masses are 1.67493 × 10-27 kg, 1.67262 × 10-27 kg and 9.10939 × 10-31 kg, respectively. 2.) A chemical reaction of the general type: A → 2B is first-order, with a rate constant of 1.52 × 10-4 s-1. a) Calculate the half-life of A. b) Assuming...
71% Calculate the pH and concentration of all species in a 027M Na2 SOs (sodium sulfite) solution? The ionization constants for sulfurous acidare Kal 1.4 x 10-2 and K2 6.3 x 10-8 Give your answers to 2 significant figures OH 1 POH PH- İHS S05 - Estimate the pH and the concentrations of all species in a 0.350 M phasphoric acid solution Answer thisquestion by matching each of the questions (on the left) with the correct value (on the right)...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF with your answers through Husky CT for your lab section. Please e-mail me if you have an issues with the submission. Activity #1 Calculate the pH for the following acidic solutions 1. Calculate the pH and pOH for the following solutions: a. 0.200 M HNO3 b. 0.200 M H2SO4 2. Calculate the equilibrium concentration for [H], [A-], and [HA], the pH and pOH for...
2. Calculate y, and report the result with the correct number
of significant figures and the absolute error: y-251(+-1) x
860(+-2) / 1.673(+-0.006)
Its
question #2 i typed it out you do not need the picture
The question is to Calculate Y, and report the result with the
correct number of significant figures and the absolute error:
y=251(+-1) x 860(+-2) / 1.673(+-0.006)
3
sig figs
(10 points) Calculate the pH of a solution that is 0.04 M in NH, and...
1.
2. for this problem for my Ka on acid 1 I got :
4.3651583224 x 10^-6 . for my acid 2 i got :
2.5118864315 x 10^-2. and for my acid 3 I got:
3.7239170625 x 10^-6. What is the correct number
of sig figs?
solution initial components change initial type (check all that apply) acidic effect of change on pH (check one) O pH higher O pH lower O pH the same 4,0 basic add Nal neutral acidic...
1. Write the dissociation reaction and the corresponding K, equilibrium expression for each of the following )HCN bHOC.H 2. You may need Table 14.2 to answer the following questions a) Which is the stronger base, CT or HO b) Which is the stronger base, HiO or NO? c) which is the stronger base, Cr or OCH,7 3. Calculate the [H"1 of each of the following solutions at 25 C. Identity each solution as neutral, acidic, or basic. a) [OH] ....
please show all work for part III :) all the information
needed is in the pictures
III. Preparing HC,HO, Solutions and Determining pH only cal. One! theoretical pH 1.0 x 10-14 (181) concentration of HC,H,O, M measured pH ya ? 3.06 1.0 x 10-2 ka: 1. 8x10°3 ixio- 3.43 1.0 x 10-3 x = CH) -1,34% 103n 3.87 1.0 x 107 PM - 04 TH11 4.30 concentration of HC,H,O, M calculated K of HC H302 based on pH data literature...
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