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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
What is the pH of aqueous 0.10 M HNO2? Ka(HNO2) = 4.5 x 10-4 a. 1.67 b. 3.35 c 1.00 d. 4.35 e. 2.17
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
Question 52 of 68 What is the pH of a 0.320 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10²4)? х +/- x 100
Nitrous acid, HNO2(aq), has a Ka of 4.5 x 10-4 at 25 °C. What is the pH of a solution that contains 1.0 M KNO2(aq) and 0.50 M HNO2(aq).
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
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 0.055 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...
What is the pH of a 0.043 M solution of nitrous acid, HNO2? Ka = 4.6 x 10-4
What is the pH of a solution prepared to 0.040 M NaNO2. Ka HNO2 = 7.1 x 10-4