Chemistry, asked by anushkakd05, 9 months ago

What is the number of oxygen molecules in 126 amu of HNO3..??

Answers

Answered by kailashmeena123rm
8

ANSWER

ATOMICITY OF OXYGEN IN HNO3 IS 3

IMPLIES 1 MOLE CONTAIN 3 ATOM OF OXYGEN

MOLE = 126×1.66×10^-24 g /63=2

apply unitry method

1mol.......3atom

209.2×10^-24 contain 3 × 209.2×10^-24 atom

no of oxygen molecules = 627 ×10^-24/2 molecules

as 1 molecule formed by 2 atoms of oxygen

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Answered by rinkuchakraborty744
0

Answer:48 ami or g/mol

Explanation:As it is written (HNO3)

O3=16×3

=48 amu.

This is the simplest answer ever.

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