46. What is the H30' concentration in 0.0013 M LiOH(aq) at 25 °C? (Kw = 1.01 x 10-4) a. 7.7 x 10-12 M b. 1.3 x 10-3...
What is the H O concentration in 7.1 x 10 7.2x 10-17 M b. 1.4 x 10-12 M c. 2.9 x 103M 10. M NaOH(aq) at 25 °C? (Kw 1.01 x 104) а. d. 12 M 7.0 x 10" M е.
What is the H3O+concentration in 2.5 x 10^-3 M NaOH(aq) at 25 degrees celcius (kw = 1.0 x 10^-14)
The pH of a solution is 6.30. What are [H30+1] and [OH-1) in the solution? Kw = 1.0 x 10-14 at 25°C 1) [H3O+] = 5.0 x 10-7, (OH"] = 2.0 x 10-8 O2) [H30*) = 6.3 x 10-7. [OH-] = 7.7 x 10-8 3) (H30+1 = 2.0 x 106, (OH") = 5.0 x 107 O4) [H30+) - 2.0 x 10-8, (OH") = 5.0 x 10-7 5) [H3O+] = 1.6 x 10-1 (OH'] = 1.3 x 10-1
11. What is the pH of 6.5 x 10' M KOH(aq) at 25 °C?(K - 1.01 X 10-) a. 4.19 b. 1.54 c. 4.19 d. 9.81 e. 12.46
8. At 50 °C, the water ionization constant, Kw, is 5.48 x 10-. What is the H.O concentration in neutral water at this temperature? a. 3.00 x 10-7M b. 2.74 x 10-HM c. 5.48 x 10-'4M d. 2.34 x 10-'M e. 1.01 x 10-'M
11. Calculate pH of the following solutions. At 25°C, Kw- [H30*] [OH'] = 1.00 x 10-14 pH=-log [H30 ] a) [H30 ] 2.30 x 10-12 M pOH=- log [OH] pH+ pOH = 14 b) [OH]=9.7x 102 M
Form 1 29. Determine the pH of a 0.741 M LiOH solution at 25°C. A) 0.130 B) 13.87 C) 0.741 D) 13.26 E) 1.18 30. What is the hydronium ion concentration of a 0.500 M acetic acid solu Ka = 1.8 x 10-5? The equation for the dissociation of acetic acid is: centration of a 0.500 M acetic acid solution with CH3CO2H(aq) + H2O(1) = H30+(aq) + CH3CO2"(aq) A) 3.0 x 10-2 M B) 4.2 x 10-2 M C) 3.0...
4. Identify the conjugate acid of S042 A) H:SO4 B) HSQF C) H3SO3 D) H3O+ E) SO32- 5.The OH- concentration in a 7.5 x 10-3 M Ca(OH)2 solution is A) 75 x 10-3M D) 1.0 x 10-?M B) 1.5 x 10-2M. E) 1.0 x 10-14 M. C) 13 x 10-12 M 6. What is the H+ ion concentration in a 4.8 x 10-2M KOH solution? A) 4.8 x 10-2 M D) 4.8 x 10-12 M B) 1.0 x 10-7M E)...
What is the OH concentration of an aqueous solution with a pH of 2.77? (K.-1.01 x 10) 5.9 x 10-12 M b. 1.7x 10M 12. a. c. 5.2 x 10 M d. 1.1 x 10 M e. 5.9 x 10 M 13. An aqueous solution with a pH of 10.60 is diluted from 1.0 L to 2.0 L. What is the pH of the dilc
What is the hydronium-ion concentration of a 0.0038 M Ba(OH)2 solution? A) 7.6 x 10–3 M B) 3.8 x 10–3 M C) 1.3 x 10–12 M D) 2.6 x 10–12 M E) 1.0 x 10–7 M