Answer to Question #142602 in General Chemistry for Desmond

General Chemistry

Question #142602

The total number of neutrons present in 54 mL H20 (l) are?:

Expert's answer

Molecular weight of H₂O=18g

No. of neutrons in 1 mole i.e. 18g of H2

O=8NA

( from O atom, as H has no neutron)

Given moles of H2

O=18/54 =3

∴Total no. of neutrons present=3×8NA

=24NA

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