The mass of 1.5xx10^(20) atoms of an ele...

The mass of `1.5xx10^(20)` atoms of an element is 15mg. The atomic mass of the element is

A

60g

B

60mg

C

60

D

6

Verified by Experts

The correct Answer is:

C

`1.5xx10^(20)rarr15mg`
`6xx10^(23)rarr?`
`=(6xx10^(23)xx15xx10^(-3))/(1.5xx10^(20))=60`
implies At. Mass = 60 amu

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