A Beaker Contains 100 ML of NaOH Solution at PH

question 70

Multiple Choice

A beaker contains 100 mL of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the results of this mixing?

• A) The concentration of Na⁺ ion rises.
• B) The concentration of Cl⁻ ion will be 0.1 M.
• C) The concentration of undissociated H₂O molecules remains unchanged.
• D) The pH of the beaker's contents will be neutral.
• E) The pH of the beaker's contents falls.

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