Fall 2016, Prof. Calvo E Calculator M PerodicTable A Print Question 11 of 25 (1

Question

Fall 2016, Prof. Calvo E Calculator M PerodicTable A Print Question 11 of 25 (1 point) PolishingsMr saver tamish is the resultolsiver metal reacting with sulfur compounds, such as Hzs, in on (Agas) can be removed by soakingina solution of NaHco (baking soda) in a basin lined with aluminum foil. Write a balanced equation for the tamishing of to AgzS. Do not include phases. How many moles of electrons are transferred per mole of silver? mol e mol Ag wenn balanced reaction for the reacton of Agas with A metal and Hao to produce A(oH) Hzs, and Ag metal. Do not include phases. Check Answer view Solution so 11 14 15 17 18 Ext Activity

Explanation / Answer

0 +1

The balanced reaction is : 2Ag + H2S ---> Ag2S + H2

Here the change in oxidation state of Ag is 0 to +1

So the number of moles of electrons transferred is 1 mole / mole of silver

The balanced reaction is :

3 Ag2S + 2 Al + 6 H2O ----> 2 Al(OH)3 + 3 H2S + 6 Ag

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