1.

One atomic mass unit is amu =166xx10^(-27)kg. The atomic weight of oxcygen is 16. Find the mass of the atom of oxygen.

Answer»

`26.56xx10^(-27)KG`
`10.53xx10^(-27)kg`
`74xx10^(-27)kg`
`2.73xx10^(-27)kg`

SOLUTION :(a) The mass of one ATOM of OXYGEN,
`m=16amu=16xx166xx10^(-27)kg=26.58xx10^(-27)kg`


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