QUESTION 18 What is equilibrium concentration of NH4 in a solution of 0.45 M NH3 in...
What is the equilibrium concentration of hydrogen ion in a solution of 0.15 M ammonia, NH3, Kb=1.8 × 10−5
Ju stion completid huffer solution is prepared in which the concentration of NH3 is 0.30 M and the concentration of NH4 is 0.20 M. What is the pH of this solution? The equilibrium constant, Kb for NH3 equals 1.8 x 105. O 8.73 O 9.08 O 9.43 O 11.72
What are the equilibrium concentrations of NH3, NH4+, and OH- in a 0.95 M solution of ammonia? Kb = 1.8x10^-5 What is the pH of the solution? pH =
What is the ratio of [NH4Cl]/[NH3] in order to make a NH3/NH4Cl buffer solution with pH=8.70. (Kb for NH3 is 1.8 x 10^–5)
what are the equilibrium concentration of NH3, NH4+ and OH- in 0.15M solution ammonia.
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.442 M NH3 (Kb for NH3 = 1.8 x 10–5). What is the equilibrium concentration of NH4+ ions?
Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H20 (1) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5) (1 point) O 1x10^(-14) M O2.7 x10^(-3) M O 7.2 x10^(-6) M O None of the above Question 15 Which of the following pH values indicates the most basic solution? (1 point)* O pH=12 O pH=4 O pH=8 O pH=9
Calculate the concentration of OH- at equilibrium in the following reaction: NH3 (aq) + H2O (l) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5)
A solution is 0.010 M in HCl and 0.010 M in NH4Cl. What is the molar concentration of NH3 at equilibrium? Kb(NH3) = 1.8 x 10-5 (Please explain the process in depth if possible)
What equilibrium molar concentration of NH3 provides a hydroxide ion concentration of 1.5 x 10−3 M ? (Ka for NH4+ is 5.6 x 10−10) 0.40 M 0.13 M 1.1 M 0.83 1.9 M