A 0.5 M solution of ________ has a pH of 7.0.
A) K2S
B) KF
C) KNO3
D) NH4Br
E) NaF
Correct Answer:
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Q43: What is the conjugate acid of HCO3-?
A)CO22-
B)H2CO3
C)HCO22-
D)CO32-
E)none
Q44: Calculate the pH of a solution at
Q45: Of the following substances,an aqueous solution of
Q46: The conjugate base of HSO4- is _.
A)H2SO4
B)HSO4+
C)H+
D)SO42-
E)HSO3+
Q47: In the gas phase reaction below,NH3 is
Q49: The conjugate acid of SO42- is _.
A)OH-
B)H2SO4
C)HSO4-
D)HSO42-
E)H3SO4+
Q50: What is the conjugate acid of OH-?
A)O2
B)H2O
C)O-
D)O2-
E)H3O+
Q51: What is the pH of an aqueous
Q52: Calculate the concentration (in M)of hydronium ions
Q53: What is the conjugate acid of NH2-?
A)NH2+
B)NH3+
C)NH4+
D)NH3
E)NH4OH
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