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Question 52 of 68 What is the pH of a 0.320 M solution of Ca(NO2)2 (Ka...
Question 7 of 31 Submit What is the pH of a 0.370 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10-4)?
What is the pH of a 0.50 M NO2- solution. The Ka of HNO2 is 4.5 x 10-4. a) 7.54 b) 8.52 c) 8.30 d) 7.76 e) 8.04
What is the pH of a 0.35 M solution of NO2-? (Ka of HNO2 = 4.0 x 10-4) 7.32 8.47 5.53 9.86 4.16
d) ka-9.jj×10 Ka 1.45 x 104 P19. (Sec. 15.5) What is the pH of a 0.35 M solution of nitrous acid, HNO2? [Hint: ICE Table & Percent Ionization] & (Ka 4.5 x 104) HNO2(aq)H(aq)+ NO2 (aq)4.5 x 1o a) 4.11 b) 3.29 c) 12.70 d) 1.90 e) 9.10 P20. (Sec. 15.5) What is the pH of a 0.095 M solution of hydrofluoric acid, HF? [Hint: ICE Table & Percent Ionization] & (Ka = 6.8 × 10-4) 4
Calculate the pH of a 0.383 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH = [HNO2 ]equilibrium = M [NO2- ]equilibrium = M
What is the pH of a 0.055 M solution of sodium cyanide? The Ka value for hydrocyanic acid is 6.2 x 10-10. Select one: a. 10.08 b. 8.77 c. 10.97 d. 5.23 e. 3.03 What is the pH of a mixture containing 0.33 M HNO2 and 0.20 M NaNO2? (Ka for HNO2 = 4.5 x 10-4) Select one: a. 7.8 b. 3.57 c. 3.13 d. 1.22 e. 3.35 What is the molar solubility of Zn2+ in a solution that is...
Calculate the pH of a 0.400 M HNO2 solution. Report answer to 2 decimal places. Ka = 7.1 x 10-4 HNO2 (aq) + H20 (1) = NO2 (aq) + H30+ (aq) Calculate the pH of a solution consisting of 0.225 M solution of CH3NH2 (methylamine) and 0.200 M CH3NH3 (methylammonium chlorides Report answer to 2 decimal places. CHH) - 4.4 x 10-4 CH3NH2 (aq) + H200 - Chynas (aq) + OH" () 1. Questa
Question 41 of 68 What is the pH of a 0.0710 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10/1)? 1 2 3 7 8 9 +/- x 100
Question 27 of 42 Submit The pH of a 0.0066 M solution of Ca(OH)2 is Х +- x 100
What is the pH of a 0.043 M solution of nitrous acid, HNO2? Ka = 4.6 x 10-4