A certain metal M forms a soluble sulfate salt M₂(SO4)3. Suppose the left half cell of a galvanic cell apparatus is filled with a 5.00 M solution of ¹₂(so), and the right half cell with a 250. 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. 3 Which electrode will be positive? O left Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. O right What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. 0 x10 X

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### Galvanic Cell Experiment with Metal M

**Objective:**
To determine the positive electrode and the voltage in a galvanic cell setup using a metal \( M \) that forms a soluble sulfate salt \( M_2(SO_4)_3 \).

**Setup:**
- Two half cells are used in the apparatus.
- The left half cell is filled with a 5.00 M solution of \( M_2(SO_4)_3 \).
- The right half cell is filled with a 250 mM (0.250 M) solution of the same metal sulfate \( M_2(SO_4)_3 \).
- Electrodes made of metal \( M \) are placed into both solutions.
- A voltmeter is connected between the two electrodes.
- The temperature of the apparatus is kept constant at 35.0°C.

**Questions:**

1. **Which electrode will be positive?**
    - \( \circ \) Left
    - \( \circ \) Right

2. **What voltage will the voltmeter show?** Assume its positive lead is connected to the positive electrode.
    - \( [ \text{Enter value here} ] \)
    - Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
Transcribed Image Text:### Galvanic Cell Experiment with Metal M **Objective:** To determine the positive electrode and the voltage in a galvanic cell setup using a metal \( M \) that forms a soluble sulfate salt \( M_2(SO_4)_3 \). **Setup:** - Two half cells are used in the apparatus. - The left half cell is filled with a 5.00 M solution of \( M_2(SO_4)_3 \). - The right half cell is filled with a 250 mM (0.250 M) solution of the same metal sulfate \( M_2(SO_4)_3 \). - Electrodes made of metal \( M \) are placed into both solutions. - A voltmeter is connected between the two electrodes. - The temperature of the apparatus is kept constant at 35.0°C. **Questions:** 1. **Which electrode will be positive?** - \( \circ \) Left - \( \circ \) Right 2. **What voltage will the voltmeter show?** Assume its positive lead is connected to the positive electrode. - \( [ \text{Enter value here} ] \) - Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
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