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The unit of length convenient on the ato...

The unit of length convenient on the atomic scale is known a an angstrom and is denoted by `A10^(10)m`. The radius of the hydrogen atom is about 0.5 A. What is the total atomic valume in `m^(3)` of a mole of hydrogen atoms?

A

`3.15xx10^(-7)m^(3)`

B

`3.15xx10^(-9)m^(3)`

C

`3.15xx10^(-4)m^(3)`

D

`3.15xx10^(-20)m^(3)`

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The correct Answer is:
A
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