AP Chemistry
4.6 Introduction to Titration
A student titrates a \(25.00 \text{ mL}\) sample of a monoprotic weak acid, \(\text{HA(aq)}\), with standardized \(0.100 \text{ M NaOH(aq)}\) using a clean buret. The student fills the buret but fails to notice an air bubble trapped in the tip below the stopcock prior to recording the initial volume reading. During the titration, the air bubble is completely displaced by \(\text{NaOH(aq)}\) and exits the tip before the endpoint is reached. Which of the following best explains how this error affects the calculated molarity of \(\text{HA(aq)}\)?
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