Question

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Answer 1

Look there are three covalent bonds in NH3 . Each hydrogen make a single bond with nitrogen and there is also a pair of electron which is unpaired from nitrogen.

So I think the correct answer is 1.5 moles. Because the strength of a covalent bond is measured by its bond dissociation energy, that is, the amount of energy required to break that particular bond in a mole of molecules.

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