Question: A certain metal M forms a soluble nitrate salt MNO3. Suppose the left half cell of a galvanic cell apparatus is filled with a 4.50mM

A certain metal M forms a soluble nitrate salt MNO3. Suppose the left half cell of a galvanic cell apparatus is filled with a 4.50mM solution of MNO3 and the right half cell with a 4.50M 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

significant digits.

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