From the pH value to the pKa value - Digital

LC1.4.4.3C

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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	30945 4	Universal pencil
1	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
2	664131 4	Beaker Boro 3.3, 400 ml, squat
4	602022 4	Beaker Boro 3.3, 100 ml, squat
1	524005W2	Mobile-CASSY 2 WiFi
1	524452 8	pH Adapter M
1	529673 8	pH combination electrode, BNC
1	610010 8	Laboratory safety goggles
1	6744640 4	Buffer solution pH 4.00, 250 ml
1	6744670 4	Buffer solution pH 7.00, 250 ml
1	6746960 4	Hydrochloric acid, 0.1 mol/l, 1 l Warning H290
1	6719570 4	Acetic acid, 0.1 mol/l, 1 l
1	6753410 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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