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The rate of reaction of magnesium with hydrochloric acid

Description

Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph.
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Apparatus Chemicals

Eye protection

Each group of students will need:

Conical flask (100 cm3)

Single-holed rubber bung and delivery tube to fit conical flask (Note 1)

Trough or plastic washing-up bowl (Note 2)

Measuring cylinders (100 cm3), 2

Clamp stand, boss and clamp

Stopwatch

Graph paper

Magnesium ribbon cut into 3 cm lengths

Dilute hydrochloric acid, 1M
 
Refer to Health & Safety and Technical notes section below for additional information.

 






Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph.

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 .

This resource image was supplied by science photo library https://www.sciencephoto.com/ © Andrew Lambert Photography