Of the following substances, an aqueous solution of ________ will form basic solutions. NH4Cl Cu(NO3) 2 K2CO3 NaF
A) NH4Cl, Cu(NO3) 2
B) K2CO3, NH4Cl
C) NaF only
D) NaF, K2CO3
E) NH4Cl only
Correct Answer:
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Q40: Which of the following aqueous solutions has
Q41: The conjugate acid of CH3NH2 is _.
A)CH3NH2
B)CH3NH3+
C)CH3NH2+
D)CH3NH+
E)none
Q43: What is the pH of an aqueous
Q46: The conjugate base of H2PO4- is _.
A)PO43-
B)H2PO4
C)H3PO4
D)HPO42-
E)none
Q47: The conjugate acid of HSO4- is _.
A)SO42-
B)H2SO4
C)HSO4+
D)H+
E)HSO3+
Q48: What is the pOH of an aqueous
Q49: Calculate the pOH of a solution at
Q50: The conjugate base of HSO4- is _.
A)OH-
B)H2SO4
C)SO42-
D)HSO4+
E)H3SO4+
Q58: Which of the following acids will be
Q59: Of the following,which is the strongest acid?
A)HClO
B)HClO3
C)HClO2
D)HClO4
E)HIO
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