Question

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Answer 1

Answer:

atomic mass of O is 16

the amu is = (b)1.062 x 10^23

Answer 2

Answer:

Given mass=16g

Molar mass=16

No of moles[n]=given mass/molar mass

=16/16

n=1

No.of particle=n x Na [Na=Avogadro's number]

=1 x 6.02*10^23

=6.02*10^23

Which is nearly approx to 6.12*10^22

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