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Homework Answers
assume base = B
B + H2O <----------> BH+ + OH-
initially [B] = 0.025 M
at equilibrium [BH+] = [OH-] = 1.3 x 10-6
[B] = 0.025 - 1.3 x 10-6 = 0.0249987 M
Kb = [BH+][OH-] / [B]
Kb = [1.3 x 10-6][1.3 x 10-6] / [0.0249987]
Kb = 7.0 x 10-11
answer = option e = 6.8 x 10-11 (closest value)
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correct answer is highlighted. what is the process of how to find the value of the...
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what is the process of how to find the value of the ionization
constant of the acid?
this is my work so far...
12. Refer to Ch. 18 Values. The pH of a 0.10 M solution of a monoprotic acid is 2.85. What is the value of the ionization constant of the acid? a. 6.3 x 10-5 b. 3.8 x 10-6 c. 2.0 x 10-5 d. 4.0 x 10-8 e. 7.2 x 104 12. Refer to...
Explain the process of how to get the answer. The answer is highlighted. Ch. 18 Values...
Explain the process of how to get the answer. The
answer is highlighted.
Ch. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species HF HNO2 CH3COOH HOCI HOBr HOCN HCN H2SO4 KA = 7.2 x 10-4 Ka = 4.5 x 10-4 Ka = 1.8 x 10-5 Ka = 3.5 x 10-8 = 2.5 x 10-9 K4 = 3.5 x 10-4 Ka = 4.0 x 10-10 Kai = very large Kq2 = 1.2...
The correct answer is highlighted. I do not understand how the professor came up with this...
The correct answer is highlighted. I do not understand
how the professor came up with this answer.
Ch. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species K HF HNO2 CH3COOH HOCI HOB HOCN HCN H2SO4 Kn = 7.2 x 10-4 = 4.5 x 10-4 Ka = 1.8 x 10-5 K = 3.5 x 10-8 Ka = 2.5 x 10-9 K = 3.5 x 104 Ka = 4.0 x 10-10 Kai =...
The correct answers are highlighted. I do not understand how the answer came to be. Please...
The correct answers are highlighted. I do not
understand how the answer came to be. Please explain in detail.
We were unable to transcribe this imageCh. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species HF HNO2 CH3COOH НОСІ HOB HOCN HCN H2SO4 Kg = 7.2 x 104 KA = 4.5 x 10-4 K= 1.8 x 10-5 K = 3.5 10-8 Ka = 2.5 x 10-9 K = 3.5 x 104 K...
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues....
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues. In a 1.00 Maqueous solution 2.94% of lactic acid is ionized. What is the value of its ka? 2. At equilibrium of (H') in a 0.250 M solution of an unknown acid is 4.07 x 10 M. Determine the degree of ionization and the Ka of this acid. 3. The venom of biting ants contains formic acid, HCOOH, Ka = 1.8 x 10-Mat 25°C....
answer all DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the...
answer all
DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the date in the space the scantron. All answers must be on the seantron and this exam. Read each item carefully select the word phrase or expression that best completes the fest item. Indicate the answer by blackening the appropriate space on your answer sheet You MUST erase completely to receive credit for an erased item. This AND the scantron must be turned in. All...
correct answer is highlighted. what is the general process of how to get the answer? 34....
correct answer is highlighted. what is the general
process of how to get the answer?
34. Ksp for silver arsenate is 1.1 x 10-20. What is the molar solubility of AgzAsO4? a. 2.2 x 10-7 M b. 4.5 x 10-6 M . c. 6.2 x 10-8 M d. 4.1 x 10-7 M e. 1.0 x 10-10 M
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov)...
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov). its chemical structare is shown to the right GHB is a weak acid that reacts with water: GHB decomposes in water according to the reaction shown below The decomposition of GHB into GBL can be reduced by increasing the pH of the solution. The following reaction takes place in baic solutions GBL OH where GB is the conjugate base of GHB. Use the...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C?...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...
the correct answer is highlighted. how do I get the answer? 35. Calculate the concentration of...
the correct answer is highlighted. how do I get the
answer?
35. Calculate the concentration of OH' ions in a saturated Mn(OH)2 solution. The solubility product for Mn(OH)2 is 4.6 x 10-14 a. 1.0 x 10-5 M b. 2.0 x 10-5 M c. 1.6 x 10-5 M d. 3.2 x 10-5 M e. 4.5 x 10-5 M
correct answer is highlighted.
what is the process of how to find the value of the ionization
constant of the acid?
this is my work so far...
12. Refer to Ch. 18 Values. The pH of a 0.10 M solution of a monoprotic acid is 2.85. What is the value of the ionization constant of the acid? a. 6.3 x 10-5 b. 3.8 x 10-6 c. 2.0 x 10-5 d. 4.0 x 10-8 e. 7.2 x 104 12. Refer to...
Explain the process of how to get the answer. The
answer is highlighted.
Ch. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species HF HNO2 CH3COOH HOCI HOBr HOCN HCN H2SO4 KA = 7.2 x 10-4 Ka = 4.5 x 10-4 Ka = 1.8 x 10-5 Ka = 3.5 x 10-8 = 2.5 x 10-9 K4 = 3.5 x 10-4 Ka = 4.0 x 10-10 Kai = very large Kq2 = 1.2...
The correct answer is highlighted. I do not understand
how the professor came up with this answer.
Ch. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species K HF HNO2 CH3COOH HOCI HOB HOCN HCN H2SO4 Kn = 7.2 x 10-4 = 4.5 x 10-4 Ka = 1.8 x 10-5 K = 3.5 x 10-8 Ka = 2.5 x 10-9 K = 3.5 x 104 Ka = 4.0 x 10-10 Kai =...
The correct answers are highlighted. I do not
understand how the answer came to be. Please explain in detail.
We were unable to transcribe this imageCh. 18 Values The following values will be useful for problems in this chapter. Acid Substance or Species HF HNO2 CH3COOH НОСІ HOB HOCN HCN H2SO4 Kg = 7.2 x 104 KA = 4.5 x 10-4 K= 1.8 x 10-5 K = 3.5 10-8 Ka = 2.5 x 10-9 K = 3.5 x 104 K...
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues. In a 1.00 Maqueous solution 2.94% of lactic acid is ionized. What is the value of its ka? 2. At equilibrium of (H') in a 0.250 M solution of an unknown acid is 4.07 x 10 M. Determine the degree of ionization and the Ka of this acid. 3. The venom of biting ants contains formic acid, HCOOH, Ka = 1.8 x 10-Mat 25°C....
answer all
DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the date in the space the scantron. All answers must be on the seantron and this exam. Read each item carefully select the word phrase or expression that best completes the fest item. Indicate the answer by blackening the appropriate space on your answer sheet You MUST erase completely to receive credit for an erased item. This AND the scantron must be turned in. All...
correct answer is highlighted. what is the general
process of how to get the answer?
34. Ksp for silver arsenate is 1.1 x 10-20. What is the molar solubility of AgzAsO4? a. 2.2 x 10-7 M b. 4.5 x 10-6 M . c. 6.2 x 10-8 M d. 4.1 x 10-7 M e. 1.0 x 10-10 M
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov). its chemical structare is shown to the right GHB is a weak acid that reacts with water: GHB decomposes in water according to the reaction shown below The decomposition of GHB into GBL can be reduced by increasing the pH of the solution. The following reaction takes place in baic solutions GBL OH where GB is the conjugate base of GHB. Use the...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...
the correct answer is highlighted. how do I get the
answer?
35. Calculate the concentration of OH' ions in a saturated Mn(OH)2 solution. The solubility product for Mn(OH)2 is 4.6 x 10-14 a. 1.0 x 10-5 M b. 2.0 x 10-5 M c. 1.6 x 10-5 M d. 3.2 x 10-5 M e. 4.5 x 10-5 M
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