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15. H.00,(aq) + H,0(I) <-> HCO3(aq) + H,0*...
please explain how you got all your answers 10. Calculate the pH of a 0.30 M...
please explain how you got all your answers
10. Calculate the pH of a 0.30 M formic acid solution. (K-1.8 x 10") Weak monoprotic acid. 11. Calculate the K, for a 0.050 M solution of HA (weak acid) if the pH = 4.65. 12. What is the pH of the solution which results from mixing 50.0 mL of 0.30 M HF(aq) and 50.0 mL of 0.30 M NaOH(aq) at 25C? (K. of F = 1.4 x 10) 13. Which of...
Q2 & 4 please?? only question 2. top 2 equations r not for this question. C6H4COH...
Q2 & 4 please??
only question 2. top 2 equations r not for this
question.
C6H4COH + HCO CH,OH + HCO, CH,CO2 + H2CO3 CHỌO + H3CO. Ke 4.3x10 2. Sodium carbonate (K) of carbonate ions is 1.8 x 10*) is added to an aqueous s anilinium chloride (Ks of aniline is 4.2 x 10-19. Show that essentially all the anilinium chloride is converted to aniline by calculating the equilibrium constant in water of the reaction CH,NH3* + CO, CHÚNH,...
please explain how you got all your answers 20. Calculate the MOLAR SOLUBILITY of silver bromide...
please explain how you got all your answers
20. Calculate the MOLAR SOLUBILITY of silver bromide (Kp - 5.40 x 1013) in 1.0 M NH. Complex ion [Ag(NHs)2] can be formed (K, 1.70 x 10). Ag(NH,) (aq)+ Br' (aq) Overall Reaction: AgBr(s)+2 NH,(aq) 21. The pH of a 0.0412 M solution of a monoprotic acid is 1.39. Is this a STRONG ACID? a. Yes b. No c. Not enough information d. Unknown
Precipitation Reactions ③ 10 or 20 Some solubility rules for ionic compounds in water are shown...
Precipitation Reactions ③ 10 or 20 Some solubility rules for ionic compounds in water are shown for your reference Compound Review Constants Periodic Table Part A Always soluble LI". Nat. Kºor NH, NO, or CH,0,- Suppose that aqueous solutions of barium nitrate and potassium carbonate are more What is the name of the compound or compounds precipitate? Enter the name of the precipitate Always soluble ► View Available Hints) SO - CO, or POS- Soluble with all the lons except...
please explain how you got your answers Multiple Choice Please write your name as it appears...
please explain how you got your answers
Multiple Choice Please write your name as it appears on UAOnline. Each question is worth 5 points each. Identify the choice or fill in the blank that best completes the statement or answers the question. Always show your work! 1. Write out equilibrium constant expression (K) for the following reaction: Co (CO),(s) 2Co (aq) + 300, (aq) 2. Calculate K, for the following reaction given the equilibrium concentrations of IPCI: [PCG) = 1.2...
Please I need help on this. I'm so lost 1. Acetic acid (H)CO2H) has k, =...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
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...
all please. its okah if its just the answers 14x3/2 +246 €61) S.56 xoto 10. What...
all
please. its okah if its just the answers
14x3/2 +246 €61) S.56 xoto 10. What is the pH of a 0.20 M solution of NH.CI? [K(NH) = 1.8 x 10 a. 3.74 (6.4.98 c. 6.53 d. 9.02 Nily CI tho - HO + NH₃C1 20 11. Which of these lists of molecules is arranged in order of increasing acid strength? HS <H2O <H2Se 6. HS <H2Se <H30 c. H:0<H2S <H.Se d. H0<H2Se <H2S 12. Which of the following would...
6. Given a total dissolved lead concentration of 2.0x10-5 M, a total dissolved NTA concentration of...
6. Given a total dissolved lead concentration of
2.0x10-5 M, a total dissolved NTA concentration of
2.0x10-2 M, and a pH of 12.3 (note extreme pH)
a. Under these conditions, what is the dominant form of NTA?
b. Write an equation for total dissolved NTA and for total
dissolved Pb. What assumptions can you make?
c. Calculate the predicted [Pb2+], considering NTA
complexation only?
d. What is the [Pb2+] as predicted by the solubility
of Pb(OH)2(s) at pH 12.3?
e....
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
please explain how you got all your answers
10. Calculate the pH of a 0.30 M formic acid solution. (K-1.8 x 10") Weak monoprotic acid. 11. Calculate the K, for a 0.050 M solution of HA (weak acid) if the pH = 4.65. 12. What is the pH of the solution which results from mixing 50.0 mL of 0.30 M HF(aq) and 50.0 mL of 0.30 M NaOH(aq) at 25C? (K. of F = 1.4 x 10) 13. Which of...
Q2 & 4 please??
only question 2. top 2 equations r not for this
question.
C6H4COH + HCO CH,OH + HCO, CH,CO2 + H2CO3 CHỌO + H3CO. Ke 4.3x10 2. Sodium carbonate (K) of carbonate ions is 1.8 x 10*) is added to an aqueous s anilinium chloride (Ks of aniline is 4.2 x 10-19. Show that essentially all the anilinium chloride is converted to aniline by calculating the equilibrium constant in water of the reaction CH,NH3* + CO, CHÚNH,...
please explain how you got all your answers
20. Calculate the MOLAR SOLUBILITY of silver bromide (Kp - 5.40 x 1013) in 1.0 M NH. Complex ion [Ag(NHs)2] can be formed (K, 1.70 x 10). Ag(NH,) (aq)+ Br' (aq) Overall Reaction: AgBr(s)+2 NH,(aq) 21. The pH of a 0.0412 M solution of a monoprotic acid is 1.39. Is this a STRONG ACID? a. Yes b. No c. Not enough information d. Unknown
Precipitation Reactions ③ 10 or 20 Some solubility rules for ionic compounds in water are shown for your reference Compound Review Constants Periodic Table Part A Always soluble LI". Nat. Kºor NH, NO, or CH,0,- Suppose that aqueous solutions of barium nitrate and potassium carbonate are more What is the name of the compound or compounds precipitate? Enter the name of the precipitate Always soluble ► View Available Hints) SO - CO, or POS- Soluble with all the lons except...
please explain how you got your answers
Multiple Choice Please write your name as it appears on UAOnline. Each question is worth 5 points each. Identify the choice or fill in the blank that best completes the statement or answers the question. Always show your work! 1. Write out equilibrium constant expression (K) for the following reaction: Co (CO),(s) 2Co (aq) + 300, (aq) 2. Calculate K, for the following reaction given the equilibrium concentrations of IPCI: [PCG) = 1.2...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
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...
all
please. its okah if its just the answers
14x3/2 +246 €61) S.56 xoto 10. What is the pH of a 0.20 M solution of NH.CI? [K(NH) = 1.8 x 10 a. 3.74 (6.4.98 c. 6.53 d. 9.02 Nily CI tho - HO + NH₃C1 20 11. Which of these lists of molecules is arranged in order of increasing acid strength? HS <H2O <H2Se 6. HS <H2Se <H30 c. H:0<H2S <H.Se d. H0<H2Se <H2S 12. Which of the following would...
6. Given a total dissolved lead concentration of
2.0x10-5 M, a total dissolved NTA concentration of
2.0x10-2 M, and a pH of 12.3 (note extreme pH)
a. Under these conditions, what is the dominant form of NTA?
b. Write an equation for total dissolved NTA and for total
dissolved Pb. What assumptions can you make?
c. Calculate the predicted [Pb2+], considering NTA
complexation only?
d. What is the [Pb2+] as predicted by the solubility
of Pb(OH)2(s) at pH 12.3?
e....
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
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