Exercise 19.72 8 of 8 Part A Constants Periodic Table Write plausible equation f

Question

Exercise 19.72 8 of 8 Part A Constants Periodic Table Write plausible equation for the half-reaction that occur at the anode Electrolysis is carried out for 1.85 h in the following cell. The platinum cathode, which has a mass of 25.0844 g, weighs 25.8720 g after the electrolysis. The platinum anode weighs the same before and after the electrolysis (Figure 1) Express your answer as a chemical ion equation. Identify all of the phases in your answer Submit Request Answer Figure 1 of 1 Part B Write plausible equation for the half-reaction that occur at the cathode Battery Express your answer as a chemical ion equation. Identify all of the phases in your answer Pt Pt H2SO4(aq) AgNO;(aq) Submit Request Answer Anode Cathode

Explanation / Answer

Part A

The plausable equation for the half reaction that occurs at anode is as follows

2H+ (aq) + 2e- --> H2 (g)

These hydrogen ions are obtained from the dissocition of sulfuric acid and water molecules at anode.

Part B

The plausable equation for the half reaction that occurs at cathode is as follows

Ag+(aq) + e- ---> Ag (s)

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