Molar mass of N2 = 28.02 g/mol
mass of N2 = 21 g
mol of N2 = (mass)/(molar mass)
= 21/28.02
= 0.7495 mol
According to balanced equation
mol of NaN3 reacted = (2/3)* moles of N2
= (2/3)*0.7495
= 0.4996 mol
Molar mass of NaN3,
MM = 1*MM(Na) + 3*MM(N)
= 1*22.99 + 3*14.01
= 65.02 g/mol
mass of NaN3 = number of mol * molar mass
= 0.4996*65.02
= 32.5 g
Answer: option 1
Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN 3 (5)...
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