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 5.00 M solution of M(NO3), and the right half cell with a 25.0 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 30.0 °C. Which electrode will be positive? 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. left ☐ x10 ○ right ك
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 5.00 M solution of M(NO3), and the right half cell with a 25.0 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 30.0 °C. Which electrode will be positive? 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. left ☐ x10 ○ right ك
Chemistry by OpenStax (2015-05-04)
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 22E: The mass of three different metal electrodes, each from a different galvanic cell, were determined...
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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 5.00 M solution of M(NO3), and
the right half cell with a 25.0 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 30.0 °C.
Which electrode will be positive?
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.
left
☐ x10
○ right
ك](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff57d3743-5e44-4060-83da-5d90a37d31c6%2F8e9f245f-fcda-42f2-88b7-a14eb98a55bf%2Fq1cfvro_processed.png&w=3840&q=75)
Transcribed Image Text: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 5.00 M solution of M(NO3), and
the right half cell with a 25.0 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 30.0 °C.
Which electrode will be positive?
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.
left
☐ x10
○ right
ك
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