Two pure samples of atoms, labeled A and...

Two pure samples of atoms, labeled A and B, contain oxygen atoms and carbon atoms, respectively. Each sample contains the same number of atoms. What is the ratio of the mass of sample B to that of sample A, `m_B//m_A` ? Note the following atomic masses: C = 12 u, 0= 16 u,

A

`1.0`

B

`0.75`

C

`0.5`

D

`1.5`

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The correct Answer is:

B

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