Which of the following does not represent a conjugate acid-base pair?
A) HCO3-/CO32-
B) H3PO4/HPO42-
C) OH-/O2-
D) NH4+/NH3
Correct Answer:
Verified
Q20: When a system is at equilibrium:
A)the reaction
Q21: Given the following reaction,write the equilibrium expression:
C
Q22: What is the conjugate base of OH-?
A)H2O
B)O-
C)O2
D)O-2
Q23: What is the conjugate acid of HS-?
A)S2-
B)H2S
C)HS-
D)S-
Q24: Which of the following does not represent
Q26: Which is the correct combination of Brønsted-Lowry
Q27: Calculate the pH of 0.00756 M HNO3.
A)11.879
B)7)091
C)2)121
D)12.947
Q28: In an acidic solution, pH is _
Q29: In a basic solution, pH is _
Q30: What is the pH of a solution
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