High School / Chemistry

Titration of an Unknown Acid

Students use a pH sensor to conduct a strong acid and weak acid titration with a strong base.

Supports NGSS Performance Expectation HS-PS1-7: Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.

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Student Files

16B_Titration_of_an_Unknown_Acid.docx 472.25 KB
16B_answer_sheet.docx 217.61 KB
16B_answer_sheet.pdf 191.45 KB
16B_Titration_of_an_Unknown_Acid.pdf 484.31 KB
16B_Titration_of_an_Unknown_Acid_Google_Slide.pdf 31.39 KB

Teacher Files

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Featured Equipment

pH Storage Solution

pH Storage Solution

A 500 mL bottle of storage solution for PASCO pH Electrodes.

pH Buffer Capsule Kit

pH Buffer Capsule Kit

Use this kit to create fresh solutions of known pH values (4, 7 & 10) for calibrating pH meters or other purposes.

Electrode Support

Electrode Support

Ideal for keeping sensors in place during experiments, this support connects to standard ring stands with an adjustable screw.

pH Sensor

Wireless pH Sensor

Here’s the best tool for measuring pH since litmus paper. The Wireless pH Sensor connects via Bluetooth® to monitor the pH of solutions.

Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.

Copyright Disclaimer: Section 107 of the Copyright Act of 1976 makes allowance for “fair use” for purposes of teaching, scholarship, education and research. Reproduction under any other circumstances, without the written consent of PASCO, is prohibited.
Source: Lab #16B

Essential Chemistry Teacher Lab Manual

Titration of an Unknown Acid