25.898 g is the amount of magnesium nitride and magnesium oxide formed.
Step1 2Mg(s)+ O2(g)-----> 2 MgO(s)
3Mg(s)+N2(g)------> Mg3N2(s)
Mg3N2(s)+ 6 H2O(l)---> 3Mg(OH)2 + 2 NH3(g)
Step2 Moles of NH3 = (2.813/17)
Moles of Mg3N2= (1/2) Moles of NH3 = (2.813/2x17)= 2.813/34
Mass of Mg3N2 = (2.813/34) x100 =8.274g (Molar mass of Mg3N2=100)
Step3 Mass of Mg in Mg3N2 =(72/100) x8.274 =5.957g
Mass of Mg converted in MgO= 21.496-5.957=15.539
Moles of MgO= Moles of Mg = 15.539/24
Mass of MgO = 15.539x40/24 =25.898 g.
Magnesium is a cofactor for over 300 enzymatic systems that regulate various biochemical reactions in the body, including protein synthesis, muscle and nerve function, glycemic control, and blood pressure regulation [1-3].
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