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Finding the formula of hydrated copper(II) sulfate

Description

In this experiment, the water of crystallisation is removed from hydrated copper(II) sulfate. The mass of water is found by weighing before and after heating. This information is used to find x in the formula: CuSO4.xH2O.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
finding-the-formula-of-hy...

 



Apparatus Chemicals

Eye protection

Each working group will require:

Crucible (Note 1)

Crucible tongs (Note 2)

Tripod

Pipe-clay triangle

Bunsen burner

Heat resistant mat

Top-pan balance (± 0.01 g)

Hydrated copper(II) sulfate (HARMFUL, DANGEROUS FOR THE ENVIRONMENT), 2 - 3 g

Refer to Health & Safety and Technical notes section below for additional information.

 


Read our standard health & safety guidance





Page last updated October 2015

In this experiment, the water of crystallisation is removed from hydrated copper(II) sulfate. The mass of water is found by weighing before and after heating. This information is used to find x in the formula: CuSO 4 .xH 2 O.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology .