Determine the pH of each of the following solutions.
Part A
0.25 M KCHO2 (Ka for HCHO2 is 1.8×10−4)
Express your answer to two decimal places.
pH =
Part B
0.18 M CH3NH3I (Kb for CH3NH2 is 4.4×10−4)
Express your answer to two decimal places.
pH =
Part C
0.15 M KI
Express your answer to two decimal places.
pH =
Calculate the pH of an aqueous solution that is both 1.00 M
CH3COOH and 1.00 M CH3COONa. A
buffer solution is 0.24 M NH3 and 0.20 M NH4Cl. (a) What is the pH
of this buffer? (b) If 0.0050 mol
NaOH is added to 0.500 L of this solution, what will be the pH?
Find the pH of each of the following solutions
of mixtures of acids.
0.190 M in HCHO2 and 0.225 M in HC2H3O2
Express your answer to two decimal places.
**answers are not 2.10, 2.11, or 2.24**
ka for HCHO2= 1.8E-4
ka for HC2H3O2=1.8E-5
please show work, thank you!
Find the pH of each of the following solutions of mixtures of
acids.
A)0.115 M in HBr and 0.120 M in HCHO2
Express your answer to three decimal places.
B)0.165 M in HNO2 and 9.0×10−2 M in HNO3
Express your answer to two decimal places.
Find the pH of each of the following solutions of mixtures of
acids.
0.135 M in HBr and 0.120 M in HCHO2
0.155 M in HNO2 and 8.5×10−2 M in HNO3
0.190 M in HCHO2 and 0.23 M in HC2H3O2
6.0×10−2 M in acetic acid and 6.0×10−2 M
in hydrocyanic acid
Assuming each solution to be 0.10 M, rank the following aqueous solutions in order of decreasing pH.
Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them
N2H2
Ba(OH)2
HOCL
NAOH
HCL
Find the pH for the following solutions:
0.01M CH3COOH (acetic acid) in a 50 mL Falcon tube
0.01M HCl in a 50 mL Falcon tube
0.01M NaOH in a 50 mL Falcon tube