After 500 ML of a 0

question 107

Multiple Choice

After 50.0 mL of a 0.100 M solution of NaOH is added to 50.0 mL of a 0.100 M solution of an unknown acid, the equilibrium pH is basic. What may be concluded about the identity of the acid?

• A) The acid can only be a strong monoprotic acid.
• B) The acid can only be a weak monoprotic acid.
• C) The acid must be a strong acid, but could be either monoprotic, diprotic, or polyprotic.
• D) The acid must be a weak acid, but could be either monoprotic, diprotic, or polyprotic.
• E) The acid could be either a strong or weak acid, and could be either a monoprotic, diprotic, orpolyprotic acid.

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