Concentration and reaction rate: Magnesium in strong and weak acids

VC4.1.3.3
Concentration and reaction rate: Magnesium in strong and weak acids
Concentration and reaction rate: Magnesium in strong and weak acids

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Description

When in contact with acids, ignoble metals such as magnesium dissolve to form hydrogen. If the hydrogen is collected in a time-resolved manner, this reaction can be observed very easily. In experiment C4.1.3.3 the hydrogen is collected with a piston sampler. The recording is done with CASSY, in that a displacement transducer registers the movement of the piston sampler. In this way the reaction speed can be quickly compared with different acids, e.g. hydrochloric acid and acetic acid.

Components of equipment sets

1 524005W2 Mobile-CASSY 2 WiFi LD
1 524220  4  CASSY Lab 2 LD
1 524082  8  Rotary motion sensor S LD
1 30002  4  Stand base, V-shaped, small LD
2 6664659  4  Adhesive magnetic board CPS, 500 mm LD
1 666425  4  Panel frame C50, two-level, for CPS LD
1 5240036  4  Holder for Mobile-CASSY 2, CPS LD
1 6664661 Holder, magnetic, size 1, 9...11 mm LD
1 6664664  8  Holder, magnetic, size 4, 27...29 mm LD
1 6664665  4  Holder, magnetic, size 5, 30...32 mm LD
1 665912  4  Gas syringe, 100 ml LD
1 602110  8  Erlenmeyer flask, DURAN with side outlet, 250 ml, wide, ST 29/32 LD
1 667312  8  Glass connector, 2 x GL 18 LD
1 667260  8  Rubber stopper solid, 25...31 mm Ø LD
1 30948  4  Fishing line LD
1 34085  8  Weights, each 50 g, set of 6 LD
1 665754  4  Measuring cylinder 100 ml, with plastic base LD
1 6719590  4  Acetic acid, 1 mol/l, 1 l LD
1 6746900  4  Hydrochloric acid, 1 mol/l, 500 ml LD
GHS05 Warning H290
1 6731000  4  Magnesium, ribbon, 25 g LD
GHS02 Warning H228
additionally required: PC with Windows 7 or higher with WIFI or USB connection

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C4.1.3.3 Concentration and reaction rate: Magnesium in strong and weak acids
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