**Electrolytic Cell Study: Electrolysis of Molten Salts NaCl and KBr**This exercise examines the electrolysis of a mixture of molten salts, specifically sodium chloride (NaCl) and potassium bromide (KBr). A current of 0.12 amps is applied to the electrolytic cell. The questions and calculations below guide the understanding of the substances produced at the electrodes and their respective masses.**Questions:**a. **What substance is created at the anode? Why?**b. **Calculate the mass of this substance created at the anode in 5.0 minutes.**c. **What substance is created at the cathode? Why?**d. **Calculate the mass of this substance created at the cathode in 2.5 hours.**---***Electrolysis Details:***1. **Understanding the Anode Reaction:** - At the anode, oxidation occurs. Bromine (Br⁻) ions from KBr and chloride (Cl⁻) ions from NaCl can be oxidized. However, Bromine has a lower oxidation potential compared to chlorine. - **Substance at anode: Bromine (Br₂) is produced.**2. **Mass Calculation at the Anode:** - **Given:** - Current (I) = 0.12 amps - Time (t) = 5.0 minutes = 5 * 60 = 300 seconds - Faraday's constant (F) ≈ 96485 C/mol - Molar mass of Bromine (Br₂) ≈ 159.8 g/mol - Number of electrons transferred (n) = 2 - **Calculation Steps:** - Charge (Q) = Current (I) × Time (t) \[ Q = 0.12 \, \text{amps} \times 300 \, \text{seconds} = 36 \, \text{coulombs} \] - Moles of Br₂ (n_electrons) = \(\frac{Q}{nF}\) \[ n_electrons = \frac{36 \, \text{C}}{2 \times 96485 \, \text{C/mol}} \approx 1.86 \times 10^{-4} \, \text{mol} \]

Electrolytic cell is a cell where electric current flow is responsible for happening a non…

In an electrolytic cell, there is a mixture of the molten salts NaCl and KBr. If a current of 0. 12 amps was used, a. What substance is created at the anode? Why b. Calculate the mass of this substance created at the anode in 5.0 minutes? c. What substance is created at the cathode? Why? d. Calculate the mass of this substance created at the cathode in 2.5 hours?

In an electrolytic cell, there is a mixture of the molten salts NaCl and KBr. If a current of 0. 12 amps was used, a. What substance is created at the anode? Why b. Calculate the mass of this substance created at the anode in 5.0 minutes? c. What substance is created at the cathode? Why? d. Calculate the mass of this substance created at the cathode in 2.5 hours?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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