Which of the following species is amphoteric?
A) CO32-
B) HF
C) NH4⁺
D) HPO42-
E) None of the above are amphoteric.
Correct Answer:
Verified
Q3: What is the conjugate acid of HCO3⁻?
A)H3O+
B)H2O
C)CO32-
D)OH⁻
E)H2CO3
Q4: Identify the weak diprotic acid.
A)HNO3
B)H3PO4
C)H2SO3
D)HClO4
E)H2SO4
Q5: Identify the triprotic acid.
A)HNO3
B)H3PO4
C)H2SO3
D)HClO4
E)H2SO4
Q6: The stronger the acid,then which of the
Q7: Which of the following is a weak
Q9: Which of the following is a Br∅nsted-Lowry
Q11: Which of the following is an Arrhenius
Q12: Which of the following is true?
A)A neutral
Q13: What is the concentration of hydroxide ions
Q13: What is the conjugate base of H2PO4⁻?
A)HPO42-
B)PO43-
C)H3PO4
D)H3O+
E)OH⁻
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