Buffers

Subject: Chemistry

Grade: Upper Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: d2116
Description:

At the end of this activity, students should be able to:
– define acidic and alkaline buffers
– describe quantitatively how buffers work
– calculate the pH of a buffer solution
– calculate the pH changes resulting from the addition of strong acids/bases to buffer solutions
– determine the pH range of a buffer based on Ka and Kb constants
– calculate the amounts of acid/base and salt required to prepare a buffer solution of specified pH.

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Buffers Class activity

Consists of...
The pH of blood Animation Buffer solutions Whiteboard exercise Ethanoic acid/sodiu... Animation Ethanoic acid/sodiu... Animation How do buffers work? Whiteboard exercise Calculating the pH ... Animation Calculating the pH ... Animation pH of buffer solutions Whiteboard exercise Addition of strong ... Animation Addition of strong ... Animation Buffering action Whiteboard exercise pH range of an etha... Animation pH range of alkalin... Animation Buffer range Whiteboard exercise Preparing a buffer ... Whiteboard exercise Buffer Animation

Relevant to...

Secondary School

Upper Secondary (Grades 10-12)

Chemistry

Acids, bases and salts

56. Buffers

YDP SA

Keywords

water, acid, base, solution, buffer, pH, strong, weak, buffers

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