Advanced Placement / Chemistry

Empirical Formula

In this lab, students use a spectrometer and stoichiometric calculations to obtain the chemical formula of a compound.


Student Files

7B_Empirical_Formula_Spectrometer_Student.docx 296.87 KB
7B_Empirical_Formula.pdf 446.31 KB

Standards Correlations

IB Topics AP Topics
1.2 3.6

Featured Equipment


Wireless Spectrometer (VIS)

Measure intensity, absorbance, transmittance across the visible spectrum, and fluorescence at 405nm and 500nm.

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.

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Source: Lab #07B

Advanced Chemistry Through Inquiry

Empirical Formula