Chemistry, asked by raishavyan, 8 months ago

follUV
37 Oxygen has three isotopes 190,570 and 180. i
their relative abundances are 99.759, 0.037 and
0.204 respectively, calculate the relative atomic
mass of oxygen.
(Ans. 16.004
of a
2 parts by mass of hydrogen = 65 parts by mass
of zinc
65
.. 1 part by mass of hydrogen
parts by mass
2.
of zinc​

Answers

Answered by shivam8479
2

Answer:

The average atomic mass (

AAM

) is calculated by the following expression:

AAM

=

(

isotope mass

×

percent Abundance

)

Therefore, to calculate the average atomic mass of oxygen:

AAM

=

(

16

×

0.9976

)

+

(

17

×

0.00037

)

+

(

18

×

0.00204

)

=

16.00

a.m.u.

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