Complete this table of values for four aqueous solutions at 25
°C.
[H+] [OH-] pH pOH
solutionA : 8.7x10^-7 M
solutionB: 6.9x10^-9 M
solutionC: 9.75
solution D: 6.39
1. An aqueous solution is neutral when [H+] and [OH-] are zero. there are no ions in the solution. the solution has no impurities. [H+] and [OH-] are equal.2. Calculate the pH of a 0.525 M NH3 solution.NH3 has a kb = 1.8 x 10-5 . pH = _______ 3. What is the pH of an aqueous solution with a hydrogen ion concentration of [H+] = 3.2 x 10-6 M?4. What is the pH of a 8.6 x 10-8 M solution of HCl(aq) at 25 °C? Report...
A.
Calculate [H3O+] in the following aqueous solution at 25 ?C:
[OH?]= 1.6×10?9 M .
Express your answer using two significant figures.
B.
Calculate [H3O+] in the following aqueous solution at 25 ?C:
[OH?]= 3.0×10?2 M .
Express your answer using two significant figures.
C.
Calculate [H3O+] in the following aqueous solution at 25 ?C:
[OH?]= 7.0×10?12 M .
Express your answer using two significant figures.
How many moles and numbers of ions of each type are present in the following aqueous solution? 9.91 L of a solution containing 1.05 × 1020 FU cesium nitrate/L: ________mol of cesium _______× 10__ cesium ions _______mol of nitrate ______× 10__ nitrate ions
1. At 25°C, 298.25 mL of an
aqueous solution of NiCl2 with a molar analytical concentration of
0.00004873 M is added to 487.37 mL of an aqueous solution of
AlBr3with a molar analytical concentration of 0.00005000
M.
What is the equilibrium concentration of Ni2+ in the resulting
solution?
2. What is the equilibrium concentration of Al3+ in the
resulting solution?
3. What is the ionic strength of the resulting solution?
4. What is the activity coefficient of Ni2+ in
the...
If theres saturated aqueous solution of Fe(OH)2 at 25°C and Ksp
= 4.87 × 10−17, which one is false statement?
A. Adding acid to the solution will increase the solubility.
B. Fe(OH)2 is a strong electrolyte.
C. The pH of the solution will be greater than 7.
D. The solubility of the salt will be equal to [OH−].
E. Addition of more solid Fe(OH)2 to the solution will increase
the hydroxide ion concentration.
Whats pH of saturated solution of Mg(OH)2?...