A certain metal M forms a soluble nitrate salt M(NO3)2. Suppose the left half cell of a galvanic cell apparatus is filled with a 1.00 M solution of M(NO3), and the right half cell with a 100. mM 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. 2 Oleft x10 Which electrode will be positive? O right What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. 0 Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.

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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.140QP
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A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic cell apparatus is filled with a 1.00 M
solution of M(NO3), and the right half cell with a 100. mM 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.
left
x10
Which electrode will be positive?
right
X
?
What voltage will the voltmeter show? Assume its positive lead is connected to the
positive electrode.
0
Be sure your answer has a unit symbol, if necessary, and round it to 2 significant
digits.
Transcribed Image Text:2 A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic cell apparatus is filled with a 1.00 M solution of M(NO3), and the right half cell with a 100. mM 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. left x10 Which electrode will be positive? right X ? What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. 0 Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
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