A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A diagram of the cell is shown above. The student uses 1.0 M solutions of M2+ and X3+ as well as solid electrodes of M(s) and X(s). The reduction reactions of M2+ and X3+ are shown below. The student connects the voltaic cell and measures the voltage produced.

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A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A diagram of the cell is shown above. The student uses 1.0 M solutions of M2+ and X3+ as well as solid electrodes of M(s) and X(s). The reduction reactions of M2+ and X3+ are shown below.

The student connects the voltaic cell and measures the voltage produced.

  • As the reaction proceeds would you expect the mass of the electrode used as the cathode to increase, decrease, or remain the same. Justify your answer.
Voltmeter
|(s)
salt bridge
1.0 M (aq)
1.0 M (aq)
Anode
Cathode
A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A diagram of the cell is shown
above. The student uses 1.0 M solutions of MF* and X** as well as solid electrodes of M(s) and X(s). The reduction
reactions of M* and X* are shown below.
Reduction reaction
Standard Reduction Potential (V)
M + 2 e - M(s)
-0.35
X* + 3 e - X(s)
+1.80
The student connects the voltaic cell and measures the voltage produced.
Transcribed Image Text:Voltmeter |(s) salt bridge 1.0 M (aq) 1.0 M (aq) Anode Cathode A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A diagram of the cell is shown above. The student uses 1.0 M solutions of MF* and X** as well as solid electrodes of M(s) and X(s). The reduction reactions of M* and X* are shown below. Reduction reaction Standard Reduction Potential (V) M + 2 e - M(s) -0.35 X* + 3 e - X(s) +1.80 The student connects the voltaic cell and measures the voltage produced.
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