-- What is [H3O+] in baking soda water? Question 25 options: 1.0 x 10-14 1.0 x...
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What is [H3O+] in baking soda water?
Question 25 options:
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1.0 x 10-14 |
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1.0 x 10-7 |
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2.0 x 10-5 |
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5.0 x 10-10 |
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What is [H3O+] for buffered aspirin?
Question 23 options:
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1.0 x 10-7 |
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8.3 x 10-4 |
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8.3 x 10-3 |
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8.3 x 10-9 |
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Is apple juice acidic, basic, or neutral?
Question 20 options:
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acidic |
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basic |
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neutral |
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Is tap water acidic basic or neutral?
Question 21 options:
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acidic |
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basic |
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neutral |
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Is tea acidic, basic, or neutral?
Question 22 options:
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acidic |
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basic |
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neutral |
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What is [H3O+] in baking soda water?
Question 25 options:
1.0 x 10-14
1.0 x...
Q1 Complete the following table: [H3O+] [OH-] pH Acidic, Basic, or Neutral? 2.0 · 10-5 1.0...
Q1 Complete the following table: [H3O+] [OH-] pH Acidic, Basic, or Neutral? 2.0 · 10-5 1.0 · 10-7 10 3.5 Q2 A solution has a [OH‑] = 1.5·10-10 M. What are the [H3O+] and the pH of the solution? Q3 A sample of 0.0084 mol of HCl is dissolved in water to make a 3000 mL solution. Calculate the molarity of the HCl solution, the [H3O+] and the pH. For a strong acid such as HCl, the [H3O+] is the...
1. 2.0 x 10-9 M H3O+ 2. 1.0 x 10-7 M OH¯ 3. 5.2 x 10-6...
1. 2.0 x 10-9 M H3O+ 2. 1.0 x 10-7 M OH¯ 3. 5.2 x 10-6 M H3O+ 4. 3.1 x 10-10 M OH¯ Which of these is characteristic of a basic solution?
calculate equilibrium dissiociation constant of water help! We know that Kw = 1.0 x 10-14 at...
calculate equilibrium dissiociation constant of water
help!
We know that Kw = 1.0 x 10-14 at 25°C. At 37°C, the [H3O+] in pure water is 1.6 x 10"| M. Calculate the equilibrium dissociation constant of water, Kw, at this temperature. A. 2.6 x 10-14 | CNH-TT H+7: 10 x 10-14 DH = -log(11 B. 1.0 x 10-7 C. 1.0 x 10-14 [1-6x10-?][6.16 *10-8] PH= 6.79 D. 1.6 x 10-7 POH=7. 21
Q 21: Which of the following is the strongest acid? A) HF (K, for HF is...
Q 21: Which of the following is the strongest acid? A) HF (K, for HF is 7.2 x 10-4) B) HCN (K for HCN is 4.9 x 10-10) C) HCNO (K for HCNO is 2 x 10-4) D) H3B03 (K, for H3B03 is 5.4 x 10-10) OA B с D Question 22 (2.439024 points) We were unable to transcribe this imageQuestion 23 (2.439024 points) Q 23: Which of the following is the weakest acid? A) HF (K, for HF is...
1. The acid ionization constant for Cu(H2O)6+2 when dissolved in water is 1.0 x 10-7. Calculate...
1. The acid ionization constant for Cu(H2O)6+2 when dissolved in water is 1.0 x 10-7. Calculate the pH of a 0.0760 M solution of this compound. 4.06 4.13 1.12 8.12 2. The mole fraction (X) of a solute in a solution is defined as ____. a. Moles of Solvent/Moles of all Solution Components b. Moles of Solute/Liters of Solvent c. Moles of Solute/Moles of Solvent d. Moles of Solute/Moles of all Solution Components 3. An aqueous solution is said to...
Which of the following is most acidic? A. A solution with [H,0+] = 1.0 x 10-10...
Which of the following is most acidic? A. A solution with [H,0+] = 1.0 x 10-10 B. A solution with [H,0+] = 1.0 x 10-5 C. A solution with [OH-] = 1.0 x 10-10 D. A solution with [OH-] = 1.0 x 10-5 E. A solution with a pH of 5. Question 5 Which of the following is most basic? A. CA solution with [H,0+] = 1.0 x 10-10 B. A solution with [H0+] = 1.0 x 10-5 C. A...
TUA ax Problem Set 14 CHEM 1252 A+ 25 °C, K. - 1.0 x 10-', while...
TUA ax Problem Set 14 CHEM 1252 A+ 25 °C, K. - 1.0 x 10-', while at 0 °C, K. - 1.2 x 10-15 a) Explain whether water becomes a stronger or weaver acid as temperature decreases November 4, 2019 (b) Write the equilibrium constant expression for the water to hydronium ion and budroxide and calculate the concentrations of TH 01 and IOH) in pure water at (c) An aqueous solution at 25 °C has [OH- 1 neutral? Calculate (H*]...
10- M. What is the [H30'] in egg 23 The [OH) in a sample of egg...
10- M. What is the [H30'] in egg 23 The [OH) in a sample of egg whites is 6.3 x 10'M. What is the le IUM whites? A 6.3x10 M B 1.6x10M c.0x10-'M OD 1.0x10" 24 Which solution has the highest pH? 4.3x10-MH0B 1.0 x 10-M H30 C 1.9 X 10 M H20 D 1.0x10-²M 5.0+ 25 Which solution has the lowest pH? A 4.3x10-MH0+ B 1.9 X 10MH,0 C 1.0 x 10 M H20 D 1.0x 10-2MH0+ 26 If...
please help answer 11-25 please i have already submitted this but only got 1-10 13 UH HN C) tertiary alcohol D) phe...
please help answer 11-25 please i have already submitted this but
only got 1-10
13 UH HN C) tertiary alcohol D) phenol E) thiol OH CONH2 --OH Tetracycline, an antibiotic Questions 6-10. Given the following list of acid strengths of some medications match the acid to the description. Name Acid pka 6. Strongest Acid A pentacillamine HCSH, NO,S 1.18 7. Weakest acid B. levadopa HC H. NO. 2.13 8. Diprotic acid C. citric acid H.C.H.O 3.08 9. Equal amounts of...
7) At 50°C the value of Kw is 5.5 x 10-14. At what pH is waster...
7) At 50°C the value of Kw is 5.5 x 10-14. At what pH is waster neutral at 50°C. A) 6.63. B) 5.50. C) 7.00 D) 7.37. 8) A solution with a hydroxide ion concentration of 4.15 x 10-4 M is and has a hydrogen ion concentration of A) basic, 2.41 x 10-10 M B) acidic, 2.41 * 10-10 M C) basic, 2.41 x 10-11 M D) acidic, 2.41 x 10-11 M 9) Which one of the following salts, when...
calculate equilibrium dissiociation constant of water
help!
We know that Kw = 1.0 x 10-14 at 25°C. At 37°C, the [H3O+] in pure water is 1.6 x 10"| M. Calculate the equilibrium dissociation constant of water, Kw, at this temperature. A. 2.6 x 10-14 | CNH-TT H+7: 10 x 10-14 DH = -log(11 B. 1.0 x 10-7 C. 1.0 x 10-14 [1-6x10-?][6.16 *10-8] PH= 6.79 D. 1.6 x 10-7 POH=7. 21
Q 21: Which of the following is the strongest acid? A) HF (K, for HF is 7.2 x 10-4) B) HCN (K for HCN is 4.9 x 10-10) C) HCNO (K for HCNO is 2 x 10-4) D) H3B03 (K, for H3B03 is 5.4 x 10-10) OA B с D Question 22 (2.439024 points) We were unable to transcribe this imageQuestion 23 (2.439024 points) Q 23: Which of the following is the weakest acid? A) HF (K, for HF is...
Which of the following is most acidic? A. A solution with [H,0+] = 1.0 x 10-10 B. A solution with [H,0+] = 1.0 x 10-5 C. A solution with [OH-] = 1.0 x 10-10 D. A solution with [OH-] = 1.0 x 10-5 E. A solution with a pH of 5. Question 5 Which of the following is most basic? A. CA solution with [H,0+] = 1.0 x 10-10 B. A solution with [H0+] = 1.0 x 10-5 C. A...
TUA ax Problem Set 14 CHEM 1252 A+ 25 °C, K. - 1.0 x 10-', while at 0 °C, K. - 1.2 x 10-15 a) Explain whether water becomes a stronger or weaver acid as temperature decreases November 4, 2019 (b) Write the equilibrium constant expression for the water to hydronium ion and budroxide and calculate the concentrations of TH 01 and IOH) in pure water at (c) An aqueous solution at 25 °C has [OH- 1 neutral? Calculate (H*]...
10- M. What is the [H30'] in egg 23 The [OH) in a sample of egg whites is 6.3 x 10'M. What is the le IUM whites? A 6.3x10 M B 1.6x10M c.0x10-'M OD 1.0x10" 24 Which solution has the highest pH? 4.3x10-MH0B 1.0 x 10-M H30 C 1.9 X 10 M H20 D 1.0x10-²M 5.0+ 25 Which solution has the lowest pH? A 4.3x10-MH0+ B 1.9 X 10MH,0 C 1.0 x 10 M H20 D 1.0x 10-2MH0+ 26 If...
please help answer 11-25 please i have already submitted this but
only got 1-10
13 UH HN C) tertiary alcohol D) phenol E) thiol OH CONH2 --OH Tetracycline, an antibiotic Questions 6-10. Given the following list of acid strengths of some medications match the acid to the description. Name Acid pka 6. Strongest Acid A pentacillamine HCSH, NO,S 1.18 7. Weakest acid B. levadopa HC H. NO. 2.13 8. Diprotic acid C. citric acid H.C.H.O 3.08 9. Equal amounts of...
7) At 50°C the value of Kw is 5.5 x 10-14. At what pH is waster neutral at 50°C. A) 6.63. B) 5.50. C) 7.00 D) 7.37. 8) A solution with a hydroxide ion concentration of 4.15 x 10-4 M is and has a hydrogen ion concentration of A) basic, 2.41 x 10-10 M B) acidic, 2.41 * 10-10 M C) basic, 2.41 x 10-11 M D) acidic, 2.41 x 10-11 M 9) Which one of the following salts, when...
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