Q.

Molecular mass of nitrogen is

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a

14u

b

28u

c

28g

d

14g

answer is B.

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Detailed Solution

Molar mass is the mass of one mole of a substance expressed in grams;One mole of nitrogen has a mass of 28 g ;Molecular weight or molecular mass has no units, it is expressed in unified mass;Molecular mass of nitrogen is 28 u ;
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