A Student Titrates a 25 ML of an Unknown Concentration

question 45

Multiple Choice

A student titrates a 25 mL of an unknown concentration of HCl with 35 mL of a 0.890 M solution of KOH to reach the equivalence point. What is the pH of the HCl solution? Paired item 1)

• A) -0.10
• B) 0.10
• C) 1.2

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Definitions:

ECG Tracing

ECG Tracing is the visual output or record produced by an electrocardiogram, which tracks the electrical activity of the heart over time.

Thinner Line

A concept or physical attribute representing a finer or less thick boundary, demarcation, or division between two entities.

Stylus

A tool or device designed for writing, drawing, or inputting commands on a touchscreen or similar surface.

ECG

A medical test used to record the heart's electrical activity in order to diagnose different heart diseases.