Electrochemistry- Hydrogen Ion Concentration Cell

Hydrogen Ion Concentration Cell

Description: 2 beakers of 0.1M HCl acid are set up with a salt bridge and H_2-platinum electrodes. The potential is measured (|volts|>0). Solid NaOH is added to one of the beakers. The potential is measured again.

Source: UW Card Catalog

Year: N/A   Vol: N/A    Page: N/A

Keywords: Fuel cell, Acid cell, Acid/Base cell, Redox

Rating:

Hazard: Some

• Skin corrosion hazard
• Acute toxicity hazard
• Inhalation hazard
• Corrosive to metals
• Acute aquatic toxicity hazard
• Electric shock hazard
• Flammability hazard

Effectiveness: Average

• Good connection to course material
• Secondary effects are observed
• Moderate failure rate
• Time to results is medium

Difficulty: Medium

• Some sequential or timed manipulations
• Experiments in which a data recording or display are necessary
• Some intermediate steps to results
• Use of compressed gases
• Use of flammable gases

Safety Precautions:

• Eye protection required
• Gloves required
• Perform in a well-ventilated area
• Use of UL approved three-prong plug and outlet
• ABC fire extinguisher on hand
• Absorbent materials on hand
• Prevent release of reagents to the environment

Class: Electrochemistry, Redox Reactions, Potentiometry

Division: General,  Physical Chemistry

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