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Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…
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A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…
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Q: What is the pH of a 0.256 M C6H5CO₂H M solution if the K₂ of C6H5CO₂H is 6.5 x 10-5? Your Answer:
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Q: Procedure: Research on the pH of these common household liquids. Data: Solution pH pOH [H3O* [OH] 1)…
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Q: What is the [H3O+] of the blood if it has a pH of 7.4? What is the [H3O+] of milk if it has a pH of…
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Q: The pH of a solution of household ammonia, a 0.950-M solution of NH3 is 11.612. What is K, for NH3.…
A: Given, pH of the solution = 11.612 Concentration of the NH3 solution (C) = 0.950 M Kb for NH3 = ?
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Q: The pH of a solution at 25C 11 which OH =20x 10 is: 4.76 3.30 9.52 9.30 4.69
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A: Concentration = 1.2 M pH = 11.82
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Q: Part D Method Color of pH paper Estimated pH [H*] [OH] Dark purple 12 10-12 10-2 NaOH Pink to red 1…
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Q: Procedure: Research on the pH of these common household liquids. Data: Solution pH pOH [H;O*] [OH]…
A: Note: Since you have posted a question with multiple subparts, we will solve the first three…
Q: HCIO is a weak acid (K, = 4.0 × 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…
A: pH is defined as negative logarithm of hydrogen ions.
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Q: Strawberries have a pH of 3.90. What is the [H3O+] and [OH-] of strawberries?
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Q: The pH of a 1.50 M solution of anilinium chloride (C6H5NH3Cl) is _____. Kb(C6H5NH2) = 4.3 × 10‒10…
A: Given,Kb(C6H5NH2) = 4.3 × 10‒10[C6H5NH3Cl] = 1.5 M
Q: 5. What is the pH when [H+] = 3.9 x 10-4? 6. What is the [H*]when pH = 9.86?
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Q: 3.) Which is the pH of 0.78 M HOCI (K. = 3.5 x 10*). А. 3.78 В. 3.50 С. 2.82 D. 2.53
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Q: What is the pH of an aqueous solution that has a hydronium ion concentration of [H3O+]= 1.0 x 10-4…
A: The pH of the solution can be calculated as follows: pH=-logH3O+ H3O+=1.0×10-4 moles/liter
Q: What is the pH of pure water at 40°C if the Kw at this temperature is 2.92•10-14?
A:
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- At 10oC water has Kw = 2.93 x 10–15. What is the pH of water at 10oC? (A) 7.000 (B) 7.267 (C) 6.733 (D) 14.533Methylamine (CH3NH2) has Kb = 4.4 x 10–4. What is the pH of 0.15 M aqueous solution of methylamine? (A) 1.68 (B) 2.09 (C) 11.91 (D) 13.18(a) 33. Which one of the following statements regarding acid-base property is NOT correct? pH + pOH = 14, for all aqueous solutions The pH of 108 (M) HCl solution is 8 The conjugate base of H₂PO4 is HPO4 ²- H₂SO4 is a strong acid in aqueous solution (b) (c) (d)
- The benzoate ion, C6H5COO-, is a weak base withKb = 1.6 x 10-10. How many moles of sodium benzoate are present in 0.50 L of a solution of NaC6H5COO if the pH is9.04?(a) 0.38 (b) 0.66 (c) 0.76 (d) 1.5 (e) 2.92. Which of the following solutions has a pH = 15? (A) A solution cannot have a pH = 15. (B) 1.0 x 10-15 M NaOH (C) 10.0 M NaOH (D) 15 M NaOH (E) 1.0 M NaOH27. What is the pH of a neutral solution at 37°C, where Kw equals 2.5 x 10-14 (a) 7.00 (b) 6.80 (с) 13.60 (d) 7.20
- Human blood has pH=7.4 . Therefore, its (a) [OH-] =3.28x10-8(M) (b) [H+] =3.28x10-8(M) (c) [H+] =3.28x10-7(M) (d) [H+] = 10-7.4 (M) (e) pOH=8.62-11 2.19] A solution has an H+ concentration of 10-5 M. (a) What is the pH of this solution? (b) What is the pOH (Assume that the temperature of the solution is 25°C.) Answer: (a) 5 (b) 9 BMThe pH of a chemical solution is given by theformula pH = - log10 [H+ ] where [H+ ] is the concentration of hydrogen ions in molesper liter. Values of pH range from 0 (acidic) to 14 (alkaline).(a) What is the pH of a solution for which [H+ ] is 0.1?(b) What is the pH of a solution for which [H+ ] is 0.01?(c) What is the pH of a solution for which [H+ ] is 0.001?(d) What happens to pH as the hydrogen ion concentration decreases?(e) Determine the hydrogen ion concentration of an orange (pH = 3.5).(f) Determine the hydrogen ion concentration of human blood (pH = 7.4).
- 30. In the reaction HCl(aq) + H₂O(l) ⇒Cl¯(aq)+ H3O+ (aq) does water act as a Brønsted-Lowry acid, a Brønsted-Lowry base, or neither, or both? (A) Neither as an acid nor as a base; water is neutral (B) Both an acid and a base. (C) An acid (D) A base (E) Depends temperatureRank the following aqueous solutions in terms of pH. Why Are they in that order? (a)0.1 M CH3COOH (b)0.1 M H2SO4 (c)0.1 M HNO3 (d)0.1 M CH3COOH + 0.1 M CH3COONa (e)0.1 M HF (f)0.1 M HClWhat is the pH of a grapefruit that contains 0.007 M citric acid solution (C6H3O7)? C6H3O7(aq) + H20(e) = C6H707"(aq) + H3O*(aq) Ką = 7.5 x 104 Round your answer to 2 decimal places.
