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What is the role of a salt bridge in an electrochemical cell?
What is the role of a salt bridge in an electrochemical cell?
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Practice Questions
1 question
Q1
What is the role of a salt bridge in an electrochemical cell?
To connect the two electrodes
To maintain charge balance
To increase conductivity
To provide a source of ions
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The salt bridge maintains charge balance by allowing ions to flow between the two half-cells, preventing charge buildup.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the role of a salt bridge in an electrochemical cell?
Solution:
The salt bridge maintains charge balance by allowing ions to flow between the two half-cells, preventing charge buildup.
Steps: 7
Show Steps
Step 1: Understand that an electrochemical cell has two parts called half-cells.
Step 2: Know that each half-cell has a different charge due to chemical reactions.
Step 3: Realize that if one half-cell becomes too positive or too negative, it can stop the reaction.
Step 4: Learn that a salt bridge is a tube filled with a salt solution that connects the two half-cells.
Step 5: Understand that the salt bridge allows ions to move between the half-cells.
Step 6: Recognize that this movement of ions helps balance the charges in both half-cells.
Step 7: Conclude that the salt bridge is important for keeping the electrochemical cell working properly.
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