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Question

How many moles of Ag(NH3)+2 are needed to produce 11 moles of ammonia?
...Ag(NH3)+2...Ag++...NH3

A
1
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B
2
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C
5.5
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D
11
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E
22
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Solution

The correct option is D 5.5
The unbalanced chemical equation is ...Ag(NH3)+2...Ag++...NH3
Silver atoms are balanced. Balance ammonia molecules.
Ag(NH3)+2Ag++2NH3
2 moles of ammonia will be produced by 1 mole of Ag(NH3)+2
11 moles of ammonia will be produced by 112=5.5 mole of Ag(NH3)+2

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