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From the pH value to the pKa value - Digital

From the pH value to the pKa value - Digital

LC1.4.4.3C

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Description
Components of equipment sets

Description

In this experiment the students compare the pH value of hydrochloric acid solutions that have different concentrations with acetic acid solutions. They find that the pH value changes differently despite the same change in concentration of hydrochloric acid and acetic acid and justify this with the degree of dissociation of these acids. They also discover that there are strong and weak acids. In this context, the pKa value for weak acids can be introduced.

Components of equipment sets

1	309 45 4	Universal pencil
1	665 997 4	Graduated pipette 10 ml
1	666 003 4	Pipetting ball (Peleus ball)
2	664 131 4	Beaker Boro 3.3, 400 ml, squat
4	602 022 4	Beaker Boro 3.3, 100 ml, squat
1	524 005W2	Mobile-CASSY 2 WiFi
1	524 452 8	pH Adapter M
1	529 673 8	pH combination electrode, BNC
1	610 010 8	Laboratory safety goggles
1	674 4640 4	Buffer solution pH 4.00, 250 ml
1	674 4670 4	Buffer solution pH 7.00, 250 ml
1	674 6960 4	Hydrochloric acid, 0.1 mol/l, 1 l Warning H290
1	671 9570 4	Acetic acid, 0.1 mol/l, 1 l
1	675 3410 4	Water, pure, 5 l

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From the pH value to the pKa value - Digital

Description

Components of equipment sets

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