Question

Calculate the mass of 0.5 mole of N-atom.
(A) 14. (B) 7. (C) 18. (D) 0.2​

Answer 1

Answer:

mass= molar mass × number of moles

m = M×n = 14 × 0.5 =7

I hope this is a right answer

Answer 2

Atomic mass of Nitrogen atom (N) = 14u

mole = given weight /atomic mass

0.5 = weight/ 14

0.5×14 = weight

weight= 7 g

Option (c) is the answer

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