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What will be the mass of one .^(12)C ato...

What will be the mass of one `.^(12)C` atom in `g`?

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Wt.of 1 atom of `C = 1.66 xx 10^(-24) gm xx ("At wt")`
`=1.66 xx 10^(-24) gm xx 12 = 19.92 xx 10^(-24)gm` .
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