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Julli [10]
3 years ago
12

Help please!!!!!!!!!!!!!!!!

Chemistry
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0

Answer:

A....................

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Write a balanced overall reaction from these unbalanced half-reactions sn and ag
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Balance each one by adding electrons to make the charges on both sides the same:

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Now, you have to have the same number of electrons in the two half-reactions, so multiply the second one by 2 to get:

2 Ag+ + 2 e- --> 2 Ag

Now, just add the two half reactions together, cancelling anything that's the same on both sides:

2 Ag+ + Sn --> Sn2+ + 2 Ag

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