20. What is the pH of 0.25 M aqueous acetate ion? (Ks of CH,CO-5.6 x 100)...
Q#5. Calculate the pH of 0.15M C,HNH,1 (Strong electrolyte) solution. (K = for CH-NH, = 5.6 x 106.). Ans: 2.03 Q# 6. Calculate the pH and percent ionization of a 0.88 M HNO, Solution at 25°C. (K of HNO, = 4 x 10'.). Ans: 1.73 and % of ionization = 2.13 Q.#7. Calculate the pH of a 0.609 M aqueous solution of Hypobromus acid (HBrO), for which K = 2.06 x 10". Ans: 4.45 Q#8. What is the pH of...
What is the pH of 0.010 M aqueous hypochlorous acid? (K, of HOCI-3.5 x 10) 2.00 b. 4.50 21. a. 4.73 с. d. 6.54 е. 7.45
1. Calculate the pH, pOH and percentage dissociation of a 0.20 M aqueous solution of the weak base, methylamine, CH,NH. The K. for CH,NH, is 3.6 x 10. (partial answer: pH= 11.93) 2. Calculate the pH of 0.75 M (CH3)2N. Ko for (CH3)2N is 7.4 x 10-(Answer pH=11.87) 3. Calculate the pH of 0.10 M NH.NO, K, for NH, is 5.6 x 10-20. (Answer pH=5.13)
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H 20 x 10-'M? pH = B. What is the hydroxide ion concentration, OH"), in an aqueous solution with a hydrogen ion concentration of (H) = 2.0 x 10-'M? [OH-] = C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) H(aq) + A+ (aq) 3.00 x 10-M, and The equilibrium concentrations of the reactants and products are (HA) = 0.140...
A buffer containing acetic acid and sodium acetate has a pH of 5.55. The K, value for CH3CO,H is 1.80 x 10. What is the ratio of the concentration of CH3CO H to CH3CO,t? [CH,CO,H1 CH2C0, 1 = Calculate the pH of a solution that has an ammonium chloride concentration of 0.054 M and an ammonia concentration of 0.053 M. Kb = 1.8 x 10-5 pH = What is the pH of 0.35 M acetic acid to 1.00 L of...
pelase help 5. (8 points) Calculate the pH of each of the following aqueous solutions at 25 C 0.65 M boric acid (B(OH), K,-7.3 x 10") a. 3.15 M ammonia (NH, K.- 1.76 x 10) b. c. 0.82 M benzoic acid (CaH,COOH, K.-6.3 x 10) 0.100 M HASO4 (K,-2.5 x 10, Ke 5.6 x 10, K-3.0 x 10) d. (2 points) Determine whether each of the following salts are acidic, basic, or neutral. 6. a. Na SO b. CH NH...
Question 5 Not complete What is the pH of an aqueous solution composed of 0.52 M NHa* and 0.75 M NH3? (K, of NHa* = 5.6 x 10-19) tion 6 The K, of bicarbonate ion, HCO,, is 4.8 x 10-" What CO,?/HCO,1 ratio is necessary to make a buffer with a pH of 11.30? complete is out of Answer:
22. The pH of aqueous 0.50 M hypobromous acid, HBrO, is 4.45. What is the K. of this acid? a. 2.5 x 10 b. 5.0 x 10° c. 3.4 x 10-7 d. 3.5 x 10 e. 7.1 x 10 What is tha nhl af the solution which results from mixing 50.0 ml of 0.30 M HF(aq) and 500 m
Calculate the hydronium ion concentration and the pH when 15.0 mL of 0.35 M NH, is mixed with 15.0 ml. of 0.35 M HCI (K Concentration - 5.6 x 10 pH- kat 125°C, what is the total pressure in the back at equilibrium? What are the stures of the Lewis acid, the If you place of the complex in a 69.5 ml. Lewis base, and the complex? P(BF,) - Am P(CI 10) an P[(CH), O--BF,)- P(total) - atm
What is the pH of the solution that results from adding 23.0 mL of 0.16M HCl to 23.0 mL of 0.53M NH,? Ks 1.8 10-5 pH = Submit Answer Try Another Version 9 item attempts remaining HF HNO CH,COOH HOCI HOBI HOCN HCN H2SO4 K = 72 x 10- K = 45 x 10 K = 1.8x10 K = 3.5x10 K -2.5 x 10 K= 3.5 x 10 K, 4.0x 10-10 K1 = very large K22 = 1.2 x 10...