Interpretation:
Number of moles of Fe(OH)2 produced on reacting 5 moles of Fe and 8 moles of NiO(OH) to be calculated.
Concept introduction:
Nickel-Iron battery is rechargeable battery discovered by Thomas Edison in 1901.
Answer to Problem 77A
4 moles of Fe(OH)2 is formed from the reaction. One mole of Fe is left over. It is present in excess amount while NiO(OH) is consumed whole. NiO(OH) is a limiting reagent.
Explanation of Solution
Given information : 5 moles of Fe and 8 moles of NiO(OH) is given.
According to stoichiometry of reaction
And
The reactant which produce least number of moles is used for calculation and it is the limiting reactant in the reaction.
4 moles of Fe(OH)2 is formed from the reaction. One mole of Fe is left over. It is present in excess amount while NiO(OH) is consumed whole. NiO(OH) is a limiting reagent.
Chapter 11 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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