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16. Which of the following is true when the pH of a solution is 7? (a...
7. The pH = -log[+] for a solution. The pOH = -log[OH-] for a solution. The pH and pH are related and their sum is equal to 14 (pH + pOH = 14). If the concentration of a dilute solution of potassium hydroxide is 0.001 M, what is the pH of that solution? 8. Citric acid is produced by oranges. When citric acid dissolves in water, it produces a relatively small number of hydronium ions. Citric acid is best described...
i want answer to all questions please Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
5. In the following reaction CH, NH, +H,0— CH, NH; + OH CH,NH, + H2O ---→ CH,NH,+ + OH- the compound CH,NH, behaves as: a) an acid b) a base c) a salt d) a conjugate acid 26. In an acidic solution the a) concentration of hydronium ion is greater than that of hydroxide ion. b) concentration of hydroxide ion greater than that of hydronium ion. C) concentration of hydronium ion and hydroxide ion are equal 27. In which of...
What is the pH n aqueous solution with a hydroxide ion concentration of 1.60 x 10-4 M? O 14.2 03.80 O 10.2 0 -0.204 Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+ (aq) + OH(aq) — K+(aq) + F-(aq) + H+(1) + OH-(1 HF(aq) + K+ (aq) —> K+ (aq) + H2O(l) HF(aq) + K+(aq) + OH- (aq) — K+(aq) +F-(aq) + H2O(1) HF(aq) +...
9. Consider a 0.15 M solution of H2SO4. Which of the following statements is NOT true? A) This solution would turn litmus to red. B) This solution could neutralize a base. C) This solution has a pH of 11.20. D) This solution could dissolve metal. E) none of the above 10. What is the concentration of the hydronium [Halo ons in a neutral solution? 11. What is the concentration of hydronium ions in an acidic solution? A) 0.0 M B)...
Determine the pH of a solution when 24.1 mL of 0.029 M HNO, is mixed with 18.6 mL of A. 0.0060 M NaOH. pH = B. distilled water. pH = C. 0.0100 M HCl. pH = D. 0.072 M KOH. pH =
hi can someone help thank u Micro pH Scale Soda pop solution pH 0.1L solution 2.50 3:48 [H30*] (M) [OH-](M) 3.2x103 3.2x10-12 3.3610-4 3.0x10" 1.0L solution Report Sheet Find the product of the [H3O] and the [OH-] for the 0.1 L solution. Find the product of the [H3O+] and the [OH-] for the 1.0 L solution. What is the relationship between [H3O'] and [OH-] for the solutions? A. The product of [H,O") and the [OH] is greater for a solution...
is e correct??? Jos The pH of a solution is raised from 3 to 5. Which statement is false? A) The final [OH-] (at pH = 5) is 10-9 M. B) The pOH decreases from 11 to 9. C) The initial solution could be 0.001 M HNO3. D) The initial [H+] (at pH = 3) is 10-3 M. (E) The [H] decreases by a factor of 20.