Problem: Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.a. 2.15 g Alb. 4.85 g Cuc. 2.42 g Ag

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FREE Expert Solution

We’re being asked to determine whether HI can dissolve the given metal sample, write a balanced reaction, and the volume of 3.5 M HI required to completely dissolve the sample.

We’re going to dissolve metals meaning the metals will undergo oxidation. HI will break up in the solution:

Recall:

Lose               Gain
Electron         Electron
Oxidation       Reduction


• HI(aq) → H+(aq) + I-(aq)

▪ if we’re going to oxidize the metals, it means that something is also reduced in the solution
▪ I-(aq) → with negative charge and it is the most reduced form of I X

H+(aq) → has a positive charge → can gain e- and can be reduced ü

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Problem Details

Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.

a. 2.15 g Al

b. 4.85 g Cu

c. 2.42 g Ag