NA = 6.0221367E23
Ka(CH3COOH) = 1.8x10E5
Kb(NH3) = 1.8x10E5
Ka(HCN) = 4.9x10E1
What is the pH of a 0.10 M CH3COOH(aq) solution?
Answer- pH is 2.87
NA = 6.0221367E23 Ka(CH3COOH) = 1.8x10E5 Kb(NH3) = 1.8x10E5 Ka(HCN) = 4.9x10E1 What is the pH...
NA = 6.0221367E23 Ka(CH3COOH) = 1.8x10E5 Kb(NH3) = 1.8x10E5 Ka(HCN) = 4.9x10E10 What is the Kb for the weak base CN-?
5. A) What is the pH of 2.5 M CH3COOH aqueous solution? Ka of CH3COOH at 25°C is 1.8x 10-5? - B) What is the pH of 1 M NHz aqueous solution? Kb of NH3 at 25°C is 1.8x 10-5?
Calculate the pH of the following solution (Ka HCO2H is 1.8x10-4 and Kb NH3 is 1.8x10-5): 0.10 M HCO2H / 0.10M NaHCO2 buffer
Given that at 25.0 ∘C Ka for HCN is 4.9×10^-10 Kb for NH3 is 1.8×10^−5 - Part C Calculate the pH of a 0.20 M solution of KCN at 25.0 °C. Express the pH numerically using two decimal places. View Available Hint(s) Templates Symbols uido redo reset keyboard shortcuts help pH = Submit Request Answer - Part D Calculate the pH of a 0.20 M solution of NH Brat 25.0°C. Express the pH numerically using two decimal places. View Available...
What is the pH of a 1.0028 M ammonia solution given that Kb = 1.80E-5? NH3 (aq) + H2O (l) --> OH1- (aq) + NH41+ (aq) What is the pH of a 1.0028 M ammonia solution given that Kb = 1.80E-5? NH3 (aq) + H20 (1) --> OH1- (aq) + NH41+ (aq)
Determine Ka and Kb for 0.10M NH3 with a pH of 11.12.
1. what is the pH of a .00300 M HCN solution? Ka of HCN is 6.2 x 10^-10 2. what is the pH of a .100 mL solution containing .50 M NaD and .20 M HF
(1) Given the following information: hydrocyanic acid HCN Ka = 4.0×10-10 diethylamine (C2H5)2NH Kb = 6.9×10-4 (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.152 M aqueous hydrocyanic acid and diethylamine are mixed. It is not necessary to include states such as (aq) or (s). (2) At equilibrium will the reactants or products be favored? (3) Will the pH of the resulting solution be greater than, less than, or roughly equal to 7?...
Given that Ka for HCN is 6.2*10^-10 at 25°c, what is the value of Kb for CN- at 25°c? Given that Kb for NH3 is 1.8*10^-5 at 25°c, what is the value of Ka for NH4+ at 25°c?
7&8 please? Thanks! 1. What is the pH of a 0.120 M solution of NH3(aq)? For ammonia, Kb=1./TIU. 8. Sodium hypochlorite, NaOCI, is the active ingredient in chlorine bleach (e.g., Chlorox). For hypochlorous acid, HOCI with Ka=3.0x10-8. a. Write the equation for the base hydrolysis equilibrium of the hypochlorite ion. b. What is the value of Kb for the hypochlorite ion? CHEM 1474 General Chemistry II c. What is the pH of a 0.10 M solution of sodium hypochlorite?