Advanced PlacementCollege / Chemistry

How Much Acid is in Your Fruit Juice?

Students use titration and a pH sensor to study the organic acid content of fruit juices.

This lab reintroduces students to the concept of pH and how to calculate hydronium ion concentrations of various weak organic acids contained in common fruit juices.


Student Files

04_ACI_How_Much_Acid_In_Fruit_Juice_S.docx 732.28 KB
04_ACI_How_Much_Acid_In_Fruit_Juice_S.pdf 860.18 KB

Teacher Files

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Standards Correlations

IB Topics AP Topics
18.1; 18.4 SPQ-4.B; SPQ-4.A

Featured Equipment

Wireless Drop Counter

Wireless Drop Counter

Use the new Wireless Drop Counter for more efficient and accurate titration data. Conducting a titration has never been easier!

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 #04

Advanced Chemistry through Inquiry

How Much Acid is in Your Fruit Juice?