Question

1.0 g magnesium atoms in vapour phase absorbs 50 kJ of energy to convert all Mg into Mg ions . The energy absorbedis needed for the following changes.

Mg (g) ---》Mg+(g) + e. H=740kj /mol
Mg+(g)--》Mg2+(g)+ e H=1450 kj /mol

Answer 1

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