question archive A certain metal M forms a soluble nitrate salt MNO3
A certain metal M forms a soluble nitrate salt MNO3
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A certain metal M forms a soluble nitrate salt MNO3. Suppose the left half cell of a galvanic cell apparatus is filled with a 2.50 mM solution of MNO3 and the right half cell with a 5.00 M solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 35.0 °C.
Which electrode will be positive?
Left
Right
What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode.
Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
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