When heated in a current of nitrogen gas, magnesium reacts to form a compound.

      

When heated in a current of nitrogen gas, magnesium reacts to form a compound.

(a) Write the chemical equation of the compound formed.


(b) Calculate the volume of nitrogen at s.t.p required to react with 0.72 g of magnesium.
(Mg = 24, molar gas volume at s.t.p = 22.4 dm3)

  

Answers


Maurice
(a) Q81482019311.png


(b) Mole Mg = 0.72/24 = 0.03

Mole N2 = 0.03/3 = 0.01


Volume N2 = 22.4 × 0.01 = 0.224 dm3
maurice.mutuku answered the question on August 14, 2019 at 12:16


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