The Ka for hydrofluoric acid is 7.2 × 10-4. This means that HF is
A) neutral in water solution.
B) able to react with HCl.
C) a weak acid.
D) a strong acid.
E) ionic.
Correct Answer:
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Q6: Identify the Brønsted-Lowry acids in the following
Q6: The name given to an aqueous solution
Q7: The name given to an aqueous solution
Q8: Which of the following is the weakest
Q9: Which one of the following is characteristic
Q11: The conjugate acid of HSO₄ - is
A)SO42-.
B)HSO₄.
C)H2SO₄.
D)H2SO₄-.
E)HSO3-.
Q12: Which of the following is correctly identified?
A)NH₃,
Q13: The conjugate base of HClO₃ is
A)HClO2.
B)ClO₃-.
C)Cl(OH)₂.
D)ClO₃.
E)HClO.
Q14: According to the Arrhenius concept, if NaOH
Q15: The correct formula for sulfuric acid is
A)H2SO₄.
B)H2SO₃.
C)H2SO₄-.
D)H2SO₃-.
E)SO42-.
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