The same number of moles of acetic acid and hydrogen chloride are placed in beakers containing water. After this addition, the beaker with the HCl has more hydronium ions than the beaker with added acetic acid. HCl is classified as
A) a weaker acid than acetic acid.
B) a stronger acid than acetic acid.
C) equal in acid strength to acetic acid.
D) a base.
Answer: B) a stronger acid than acetic acid.