Strong base–strong acid titration curve

An example figure from the Titration Curve generator.

Titration curve of 25.0 mL of 0.100 M NaOH with 0.100 M HCl, the pH falling from about 13 to about 1.5, with the equivalence point marked — The pH of 25.0 mL of 0.100 M sodium hydroxide (NaOH) as 0.100 M HCl is added, up to 50 mL. The pH starts high, stays nearly flat, then drops sharply through the equivalence point at 25 mL and pH 7.

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Answer key

Starting pH: 13.00
Equivalence point: 25 mL, pH 7.00

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