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Making Galvanic Cells Lab 3)The salt bridge allows the cell to continue to function. K + or NO 3 – can move into one of the half cells to balance the charge.

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Presentation on theme: "Making Galvanic Cells Lab 3)The salt bridge allows the cell to continue to function. K + or NO 3 – can move into one of the half cells to balance the charge."— Presentation transcript:

1 Making Galvanic Cells Lab 3)The salt bridge allows the cell to continue to function. K + or NO 3 – can move into one of the half cells to balance the charge created by + metal ions forming or leaving solution. 4)No. We did not get the same values in the lab No bridgeVoltagePoints toDeposit Cu – Al 0 V2.0 VCu Cu – Zn 0 V1.1 VCu Al – Zn 0 V0.9 VZn

2 Cu – Zn cell Zn Zn e – (oxidation - LEO) Cu e – Cu (reduction - GER) Cu 2+ + Zn Cu + Zn 2+ Electron flow Salt bridgeCu (+) Zn (–) Cu 2+ Zn 2+

3 Al – Zn cell Zn e – Zn (reduction - GER) Al Al e – (oxidation - LEO) 2Al + 3Zn 2+ 2Al Zn Electron flow Salt bridgeZn (+) Al (–) Zn 2+ Al 3+

4 Making Galvanic Cells Lab AlDepositCuDeposit AlPoints toCuPoints to sec sec sec sec 0No bridge0 voltageAl-ZnvoltageCu-Zn 3)The salt bridge allows the cell to continue to function. K + or NO 3 – can move into one of the half cells to balance the charge created by + metal ions forming or leaving solution. 4)No. We did not get the same values in the lab For more lessons, visit


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